Abstract: A bonding member of a display device, a display module, and a method of fabricating a display device to provide a hole in an active area of the display device includes: providing a bonding member which including a bonding layer, a first protective film disposed on the bonding layer and having a light absorbing pattern, and a second protective film disposed under the bonding layer; attaching a display panel to a surface of the bonding layer by peeling off the second protective film; and forming a through hole extending through the bonding layer, the first protective film and the display panel, in an area where the light absorbing pattern is disposed.

Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.

Abstract: An encapsulation structure of an organic electroluminescent device includes a substrate, a first inorganic sealing layer and an organic sealing layer. The first inorganic sealing layer is stacked on the substrate, and the organic sealing layer is stacked on a side of the first inorganic sealing layer that is away from the substrate. The organic sealing layer includes a UV light absorbing material and/or a UV resistant polymer material. An encapsulation method of the encapsulation structure of an organic electroluminescent device and a display panel including the encapsulation structure are further provided.

Abstract: A frame-like bank 35 has two inclined side surfaces, at least one of which forms a taper angle ?2 of not more than 20°. A first sealing film 28, which is an inorganic film, is formed in a display area DA and a non-display area NDA in a manner so as to cover the frame-like bank 35.

Abstract: A display device and a method of manufacturing the same are provided. A display device includes: a plastic substrate including: a display portion including organic light emitting diodes, and a pad portion including chip-on-films, a lower protective member attached to an entire lower surface of the plastic substrate, and an upper protective member attached to an upper surface of the plastic substrate, the upper protective member covering at least the display portion and both edges of the pad portion.

Abstract: An organic device comprising a reflective electrode, an organic layer arranged on the reflective electrode, a semi-transmissive electrode arranged on the organic layer and a reflection surface formed above the semi-transmissive electrode is provided. The organic layer emits white light and includes a blue-emitting layer. An optical distance L of the organic layer satisfies L [{@r+?s)/?}×(?b/4)]×1.2, where ?b is a peak wavelength of the blue-emitting layer, ?r and ?s are a phase shift of the wavelength ?b in the reflective electrode and the semi-transmissive electrode, respectively. A resonant wavelength of an optical distance between the semi-transmissive electrode and the reflection surface is shorter than the wavelength ?b.

Abstract: An organic EL display device of the present disclosure includes a substrate, a lens layer including a lens, a light-emitting layer containing an organic light-emitting material, a reflection portion disposed between the substrate and the light-emitting layer, and having light reflecting properties for reflecting light generated in the light-emitting layer, and a reflection transmission portion disposed between the light-emitting layer and the lens layer, and having light reflecting properties and translucency, and moreover causing resonance of light, which is generated in the light-emitting layer, between the reflection portion and the reflection transmission portion.

Abstract: A display device includes a substrate, a lens layer including a plurality of lenses, and a plurality of pixel electrodes disposed between the substrate and the lens layer. The plurality of pixel electrodes include a first pixel electrode and a second pixel electrode. The plurality of lenses include a first lens disposed correspondingly to the first pixel electrode and a second lens disposed correspondingly to the second pixel electrode. An area of the first pixel electrode in plan view is greater than an area of the second pixel electrode in the plan view. An area of the first lens in the plan view is greater than an area of the second lens.

Abstract: A display device of the present disclosure includes a substrate, a lens layer including a lens, a light-transmitting layer that contacts a lens surface of the lens, and has translucency, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The lens is disposed so as to correspond to the pixel electrode. A refractive index of a constituent material for the lens is lower than a refractive index of a constituent material for the light-transmitting layer.

Abstract: A display device is provided that includes a substrate, a lens layer including a lens, a light-transmitting layer contacting a lens surface of the lens and having translucency, a pixel electrode disposed between the substrate and the lens layer, and a color filter disposed between the pixel electrode and the lens layer. The lens is disposed correspondingly to the pixel electrode. A refractive index of a constituent material for the lens is higher than a refractive index of a constituent material for the light-transmitting layer.

Abstract: The present disclosure provides a condensing plate. The condensing plate comprises a body. The body comprises a first face and a second face opposite to the first face. The first face is provided with a condensing part and a solvent storage structure. The solvent storage structure is configured to store a solvent and release, along a direction away from the second face, gas formed by the solvent after evaporation.

Abstract: A method for manufacturing a flexible organic light emitting diode (OLED) display is provided, and includes steps of forming an active array layer on a flexible substrate, forming a planarization layer on the active array layer; performing photolithography on the planarization layer, to form at least a portion of an upper surface of the planarization layer into an uneven surface; forming an anode layer on the uneven surface of the planarization layer; forming an organic light emitting layer on the anode layer; forming a cathode layer on the organic light emitting layer; and forming a protective layer on the cathode layer and the planarization layer to cover the cathode layer and the planarization layer.

Abstract: An apparatus for manufacturing a display apparatus includes: a polisher at which a polishing material is supplied to a base member of the display apparatus and the base member is polished with the polishing material to provide a polished base member having a polished surface; a conveyer to which the polished base member is provided from the polisher and from which the polished base member is transferred to outside the apparatus; and a suction unit corresponding to the conveyer and by which a pressure around the conveyer is provided to be lower than a pressure at remaining portions of the apparatus.

Abstract: A method of manufacturing a thin film transistor includes: forming an active pattern on a substrate; forming an insulating layer and a gate electrode layer on the active pattern in order; forming a photoresist pattern on the gate electrode layer; forming a preliminary gate electrode by wet etching the gate electrode layer using the photoresist pattern; forming an insulating pattern by dry etching the insulating layer using the photoresist pattern and the preliminary gate electrode; and forming a gate electrode by wet etching a side surface of the preliminary gate electrode using the photoresist pattern.

Abstract: A display panel, a manufacturing method thereof, and a display device. The manufacturing method includes: providing a pretreatment solution containing a water-soluble organic protective agent, and forming, on an anode, a solution layer covering the anode; drying the solution layer to form an adhesive layer; removing the adhesive layer; and drying the anode; where the pretreatment solution contains 10-30% by weight of propylene glycol methyl ether and 70-90% by weight of water.

Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.

Abstract: A lithium ion secondary battery according to the present disclosure includes: an electrode assembly; and a case having a structure in which upper stamped portions and lower stamped portions are repeatedly stamped to cover the outside of the electrode assembly, and the upper stamped portions and the lower stamped portions form a corrugated pattern, and the electrode assembly includes: one or more unit cells each equipped with a pair of electrodes having different polarities with a separator interposed therebetween; an electrode mixture coated on one or both surfaces of the pair of electrodes; and electrode tabs protruded from the respective electrodes and not coated with the electrode mixture, and the electrode tabs include an electrode parallel connection tab and an electrode lead connection tab, and any one or more of the electrode parallel connection tab and the electrode lead connection tab is formed on the electrodes, and an elastic polymer film is overlapped on a local portion in the case.

Abstract: Various embodiments of the present invention relate to a pouch-type secondary battery having an unsealed portion. The technical purpose to be achieved is to provide a pouch-type secondary battery having an unsealed portion, wherein when gas is generated inside the battery due to overcharging, heat exposure, etc. and the pouch is swelled by the generated gas, the gas can be quickly discharged out of the battery through the unsealed portion, thereby improving safety. To this end, the present invention provides a pouch-type secondary battery comprising: an electrode assembly; and a pouch that comprises a first sheathing portion having a recess in which the electrode assembly is received, a second sheathing portion covering the recess of the first sheathing portion, and a seal portion formed along the peripheries of the first and the second sheathing portions, wherein the seal portion further has at least one unsealed portion connected to the recess, and the unsealed portion is lower than the recess.

Abstract: The nonaqueous electrolyte secondary battery includes a power generation element in which a positive electrode and a negative electrode exchange ions via an electrolyte, two terminals connected to the positive electrode and the negative electrode, respectively, and an exterior body which is formed by extending one terminal of each of the outer sides to cover the power generation element and the two terminals, and the outer circumference of which is sealed. A seal strength of the outer periphery of the exterior body is the weakest at a terminal sealing portion sandwiching the two terminals; and at least one surface of the terminal seal portion has a seal strength of 4.5 N/mm or less.

Abstract: An anti-explosion battery cap includes a top cover, an anti-explosion slice, a sealing ring and an orifice plate. The anti-explosion slice is connected to the top cover. The sealing ring receives the top cover and the anti-explosion slice, and includes at least a first stop block and at least a second stop block. The first stop block is arranged in an inner side of the sealing ring and extending inwardly to be located below the anti-explosion slice. The second stop block is arranged in the inner side of the sealing ring and extends inwardly to be located below the first stop block. The orifice plate is received in the sealing ring and connected to the anti-explosion slice. The orifice plate is located between the first stop block and the second stop block. Therefore, the anti-explosion battery cap has an ability of anti-short circuit and an optimized structure with constant cost.

Abstract: Various embodiments of the present invention relate to a secondary battery. A technical problem to be solved is to provide a secondary battery in which, when a can is compressed in a lateral direction thereof, a bending direction thereof is controlled such that a cap assembly (or a circuit interrupt device (CID)) is bent in an opposite direction of an electrode assembly and an electrical short-circuit phenomenon between the cap assembly and the electrode assembly can be thus prevented. To this end, the present invention provides a secondary battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cap assembly comprises a cap-down having a notch for inducing bending, which allows the cap assembly to be bent in an opposite direction of the electrode assembly when the cylindrical can is compressed in a direction perpendicular to a longitudinal direction of the cylindrical can.

Abstract: Various embodiments of the present invention relate to a secondary battery, wherein a technical problem to be solved is to provide a secondary battery capable of maintaining an electrical insulating state between a case (can) and a cap assembly even after a gasket is melted due to short-circuiting and heat generation. To this end, the present invention provides a secondary battery comprising: a cylindrical can; an electrode assembly received, along with an electrolyte, in the cylindrical can; a cap assembly for sealing the cylindrical can; and a gasket interposed between the cylindrical can and the cap assembly, wherein the gasket further includes an insulating member having a melting temperature higher than a melting temperature of the gasket.

Abstract: The present disclosure provides a battery pack and a vehicle. The battery pack comprises a battery module, a box assembly and a first adhesive member. The battery module comprises first batteries arranged sequentially in a horizontal direction. The first battery comprises an electrode assembly and a case, and the electrode assembly is received in the case. The electrode assembly comprises a first electrode plate, a second electrode plate and a separator. The box assembly has a connection portion, and the connection portion is positioned at a side of the battery module in the vertical direction. An outer surface of the case comprises a first surface, and the first surface is connected with the connection portion via the first adhesive member. An area A of the first surface and an elastic modulus B of the first adhesive member satisfy a relationship: 0.02 cm2/MPa?A/B?9 cm2/MPa.

Abstract: A power storage module includes an electrode laminate including a plurality of bipolar electrodes which are laminated and a sealing body sealing a space between a pair of the bipolar electrodes adjacent to each other in a laminating direction among the plurality of bipolar electrodes in the electrode laminate. Each of the plurality of bipolar electrodes includes an electrode plate. The sealing body includes a group of primary sealing bodies each provided at an edge portion of the electrode plate and a secondary sealing body. The secondary sealing body includes a first resin portion that is provided along a side surface of the electrode laminate extending in the laminating direction and bonds the group of primary sealing bodies, and a second resin portion covering the first resin portion.

Abstract: A battery pack assembly includes a battery cell and a first plate. A body of the battery cell includes a first tab and a second tab. The first plate includes a first edge and a second edge opposing each other. The first plate defines a slot having a first portion and a second portion adjoining with each other. The first portion of the slot is defined through the first edge of the first plate such that the slot is open at the first edge. The first portion of the slot tapers toward the second portion. The first tab is disposed in the first portion of the slot at the first edge in an initial position. The first tab is disposed in the second portion of the slot in a final position to couple the battery cell and the first plate together.

Abstract: A battery includes: a casing that includes a plurality of exterior faces having outer faces facing mutually-different directions and has an arrangement concave part formed; a cell that is housed inside the casing; and a connector that includes a connection terminal connected to an electrode terminal of a connection apparatus and is arranged in the arrangement concave part, in which a face forming the arrangement concave part of the casing is formed as a concave part forming face, and the concave part forming face is present between the exterior faces and the connector.

Abstract: A battery pack supplies an electrically driven treatment apparatus with an electric driving power. The battery pack includes: a plurality of pouch cells, wherein the pouch cells have cell tabs and are configured and disposed in a stack such that the cell tabs are disposed on a common tab side of the stack in two tab columns, wherein averted end limits of the tab columns define an intermediate zone, and a circuit board. The circuit board is disposed within the intermediate zone and is electrically connected to the cell tabs.

Abstract: A battery pack supplies an electrically driven treatment apparatus with an electric driving power, and includes: a stack limiting structure; a plurality of pouch cells, wherein the pouch cells are disposed in a stack, wherein the stack is disposed within the stack limiting structure; an outer temperature sensor, wherein the outer temperature sensor is disposed and configured for measuring an outer temperature of the stack outside the stack at an edge of the stack or the stack limiting structure, and/or outside the stack limiting structure; and a control device. The control device is configured for comparison of the measured outer temperature and/or a quantity based on the measured outer temperature to at least one temperature comparative value. The at least one temperature comparative value is a function of at least one of the pouch cells. The control device is configured for controlling the battery pack in response to a result of the comparison.

Abstract: A battery pack supplies an electrically driven treatment apparatus with an electric driving power and includes: a plurality of accumulator cells, wherein the accumulator cells have cell contacts; at least one circuit board, wherein the at least one circuit board is electrically connected to the cell contacts; and a battery pack housing, wherein the battery pack housing has a first battery pack housing part and a second battery pack housing part, wherein the first battery pack housing part and the second battery pack housing part are closed by each other. The accumulator cells are disposed within the battery pack housing.

Abstract: The aim of the disclosure is to improve a battery box to the extent that, when manufactured and used in a simple manner, the performance of the battery is ensured also over a longer period of time and responses can be made to modifications to the box, to the pressures prevailing in the box, etc. This aim is achieved, according to the disclosure, by a battery box, for a block battery, for receiving at least one battery cell having an electrode plate, said battery box comprising a main body, which is made of plastics material and has two end walls, which extend substantially in parallel with the electrode plates, and two side walls, which extend substantially at a right angle to said end walls, the end walls and side walls each having a top edge and a bottom edge and being interconnected so as to form a corner edge and the side walls having on the outer faces thereof a fastening edge extending at an angle to the corner edge.

Abstract: A battery module includes an enclosure that has at least one heat sink. Within the module is a stack assembly composed of a series of cell carrier assemblies connected together. The cell carrier assemblies each include a cell carrier that has a first spring that is biased against the heat sink. Each of the cell carrier assemblies also includes a battery cell and a heat conductive sheet that is thermally coupled to the battery cell. The heat conductive sheet is positioned to be pressed against the heat sink by the first spring to facilitate a good thermal connection between the sheet and the heat sink. Heat is accordingly conducted away from the battery cell, along the heat conductive sheet, to the heat sink.

Abstract: A battery pack includes a battery stack having a plurality of prismatic batteries being stacked. The battery pack further includes a cooling plate extending in a stack direction of the prismatic batteries in the battery stack. The cooling plate includes a plurality of coolant passages and a plurality of grooves. The coolant passages extend in a perpendicular direction substantially perpendicular to the stack direction of the prismatic batteries, and allow a coolant to flow in the coolant passages. The grooves constitute heat conduction inhibitors configured to inhibit heat conduction in the stack direction of the prismatic batteries.

Abstract: The present invention relates to a battery pack system. In the battery pack system including a multi-battery according to the present invention, replacement may be easily performed in a lower unit of the battery pack system, the battery pack system including a multi-battery may include the battery modules having various forms and performances and capable of being arranged so as to increase space efficiency of the battery pack system, the battery pack system including a multi-battery includes the battery modules having various forms and performances, such that an energy density of the battery pack system may be improved, and the battery pack system including a multi-battery may allow battery modules having various performances and outputs to maintain states of charge (SOCs) (%) in a uniform ratio by estimating the SOCs of the respective battery modules and re-scaling the SOCs according to a capacity criterion of a control unit.

Abstract: A battery pack supplies an electrically driven treatment apparatus with an electric driving power. The battery pack includes: a stack housing, wherein the stack housing has a common housing opening defined by a housing edge, and a plurality of pouch cells, wherein the pouch cells have cell tabs and are configured and disposed in a stack within the stack housing such that the cell tabs at least with tab parts on the common housing opening project beyond at least one edge portion of the housing edge. The tab parts are directly electrically connected to each other by welded connections.

Abstract: A battery module (1) for an electric vehicle has battery cells (3) stacked behind one another to form a battery cell package (4) in a multipart battery module housing (2). An end plate (5) is on an end of the battery cell package (4). The battery module housing (2) has a central portion (6) and a housing end plate (7) at an end of the central portion (6). A gap (9) between the battery cell package (4) and an inner surface of the central portion (6) is filled with a thermally conductive medium. The end plate (5) has a spraying point (11) for introducing the thermally conductive medium and a distribution channel (10) for guiding the thermally conductive medium from the spraying point (11) into spaces between the battery cell package (4) and the inner surface of the central portion (6).

Abstract: A battery cell of a battery pack to power an electric vehicle can include a housing to at least partially enclose an electrode assembly is provided. The battery cell can include a vent plate coupled with the housing via a glass weld at a lateral end of the battery cell. The vent plate can include a scoring pattern to cause the vent plate to rupture in response to a threshold pressure. A first end of a polymer tab can be electrically coupled with the vent plate at an area within a scored region defined by the scoring pattern. A second end of the polymer tab can be electrically coupled with an electrode assembly. The polymer tab can melt in response to either a threshold temperature or a threshold current within the battery cell.

Abstract: The secondary battery cells are disposed in parallel in such postures that side surfaces of cylindrical shapes face each other in an internal space of a housing case, and are separated from each other with a longitudinal partition plate interposed between the secondary battery cells. A pair of ribs are provided on an inner surface of the housing case to hold the longitudinal partition plate. The longitudinal partition plate disposed between the pair of ribs is held in the housing case. A gap between the pair of ribs and the longitudinal partition plate is filled with a flame-retardant adhesive material.

Abstract: A slurry composition for coating a secondary battery separator, a separator prepared using the same, and a secondary battery including the separator, wherein the slurry composition includes a phenolic compound including two or more aromatic rings, inorganic particles, a binder, and a solvent.

Abstract: Disclosed herein is a separator for electrochemical devices, configured to guarantee electrical insulation between a positive electrode and a negative electrode, wherein the separator includes no polyolefin substrate, and includes inorganic particles, a binder for coupling between the inorganic particles, and a crosslinking agent.

Abstract: A porous film includes: a porous substrate; and a porous layer provided on at least one surface of the porous substrate. The porous layer includes a first porous layer containing the following resin A, and a second porous layer containing the following resin B on the first porous layer, and a mixed-layer thickness (HC) of the first porous layer and the second porous layer is 0.1 ?m or more and 1.0 ?m or less: resin A: a resin having a melting point of 150° C. or higher, or a resin having no substantial melting point; and resin B: a resin having a melting point of lower than 150° C., or an amorphous resin.

Abstract: Batteries and associated methods of manufacture are described. According to one aspect, a battery includes a battery case, an anode within the battery case, a cathode within the battery case, a separator configured to electrically insulate the anode from the cathode and the battery case, an electrolyte in contact with the anode and the cathode, and first and second terminal connections connected with respective ones of the anode and the cathode, and wherein the first and second terminal connections are configured to conduct electrons between the anode and the cathode via a load which is external of the battery case.

Abstract: A busbar includes a plurality of sheets stacked together. The busbar includes: a main body that extends along an axis along which batteries are stacked together; and a plurality of connectors that are each thinner than the main body, and are welded to terminals of the batteries, respectively.

Abstract: A sealed battery of the present invention comprises: an electrode assembly having a multilayered structure in which a positive electrode, a negative electrode, and a separator are layered; and a first clip. The positive electrode has a positive-electrode current collection sheet and a positive-electrode active material layer; and the negative electrode has a negative-electrode current collection sheet and a negative-electrode active material layer. The electrode assembly has the following sections: a positive-electrode extended section which is a layered portion of the positive-electrode current collection sheet and extends from the multilayered structure; and a negative-electrode extended section which is a layered portion of the negative-electrode current collection sheet and extends from the multilayered structure.

Abstract: A rechargeable battery pack supplies electrical drive power to an electrically driven machining device. The rechargeable battery pack has: a plurality of rechargeable battery cells, wherein the rechargeable battery cells each have cell contacts; a housing, wherein the rechargeable battery cells are arranged within the housing; and a potting compound, wherein the potting compound protects the cell contacts from contact with water from outside the housing. The housing has a housing top part and a housing bottom part. The housing bottom part overlaps the housing top part such that the housing top part defines an outer region and an inner region of the housing bottom part for the potting compound. A casting level of the potting compound in the outer region is above a casting level of the potting compound in the inner region.

Abstract: An energy storage device includes: an outer case on which an external terminal is mounted; an electrode assembly housed in the outer case; a conductive shaft portion formed using a material different from a material for forming the external terminal, and having a swaged portion connected to the external terminal on one end thereof in an axial direction; a conductive plate portion housed in the outer case, to which the other end of the conductive shaft portion is connected, and the electrode assembly is connected; and a metal plate disposed between the external terminal and the swaged portion in the axial direction of the conductive shaft portion.

Abstract: A lithium-ion battery cell includes a casing, a first terminal pad having a first polarity and positioned proximate the casing, a second terminal pad having a second polarity opposite to the first polarity and positioned proximate the casing, and a reversal device formed into the casing and responsive to an increase in internal pressure within the casing so as to cause a short circuit between the first terminal pad and the second terminal pad when the internal pressure reaches a threshold. The reversal device has a folded configuration and an unfolded configuration, and is configured to transition from the folded configuration to the unfolded configuration in response to an increase in the internal pressure from below the threshold to the threshold.

Abstract: A current interrupt apparatus and a flipping member thereof, a battery cover plate assembly, a cell, a battery module, a power battery, and an electric vehicle are provided. The flipping member is to be electrically connected to a score member, and can act under an effect of air pressure to break a score on the score member so as to cut off the electrical connection to the score member. A first connection region to be electrically connected to the score member and a second connection region to be electrically connected to an outer electrode terminal of a battery are formed on the flipping member. A deformation cushion region is further formed on the flipping member. The deformation cushion region is disposed between the first connection region and the second connection region and around the first connection region.

Abstract: The development of a novel battery comprising of high-oxidation-state periodate complex cathode and zinc anode is disclosed. A periodate complex H7Fe4(IO4)3O8 was prepared by a precipitation reaction between Fe(NO3)3 and NaIO4, and was used in battery development for the first time. NaMnIO6 double periodate salts were also synthesized from MnSO4 and NaIO4 using the same techniques. The H7Fe4(IO4)3O8 alone showed specific capacity of 300 mAh g?1; while NaMnIO6 showed specific capacity as high as 750 mAh Compared to single-electron processes in conventional cathode reactions, the possibility to significantly enhance cathode specific capacity via a multi-electron process associated with valence change from I(VII) to I2 is demonstrated. Novel 3D-printed reserve battery casing designs comprising replaceable electrodes also disclosed. Batteries featuring an ion-exchange membrane dual-electrolyte design are disclosed. Periodate based dry cell batteries utilizing polymer electrolytes are also disclosed.

Abstract: Electrodepositable compositions including an aqueous medium, an ionic resin and particles including thermally produced graphenic carbon nanoparticles are disclosed. The compositions may also include lithium-containing particles. Electrodeposited coatings comprising a cured ionic resin, thermally produced graphenic carbon nanoparticle and lithium-containing particles are also disclosed. The electrodeposited coatings may be used as coatings for lithium ion battery electrodes.

Abstract: A doped cathode material for lithium-ion batteries is disclosed. Methods and systems are further provided for doping a cathode material for use in a lithium-ion battery. In one example, the doping may be a dry surface doping process. In some examples, dopants may stabilize a crystal structure of the cathode material and may result in fewer side reactions with an electrolyte as compared to an undoped cathode material. As such, cycling performance and capacity retention may be improved relative to the undoped cathode material. Further, in some examples, the doped cathode material produced with the dry surface doping process may have improved cycling performance and capacity retention relative to a comparable doped cathode material produced with a wet surface doping process.