Abstract: The invention discloses a lithium battery structure and the electrode layer thereof. The lithium battery structure includes two battery units with the two negative active material layers being disposed in face-to-face arrangement. The negative current collector includes a conductive substrate with a plurality of through holes and an isolation layer. The isolation layer is covered on one surface of the conductive substrate and extended along the through holes to another surface to cover the edge of the openings of the through holes. It can be effectively avoided the lithium dendrites depositing near the openings of the through holes on the conductive substrate. Also, the face-to-face arrangement of the negative active material layers is effectively control the locations of the plated lithium dendrites. Therefore, the safety of the battery and the cycle life of the battery is greatly improved.

Abstract: A system for bonding films includes a first film, a second film having a plurality of elements, a bonding roller, and a deformable roller having a deformable outer layer. The stiffness of the second film is less than that of the first film. By using the system, the deformable outer layer of the deformable roller produces enough deformation during bonding films to fill the area not covered by the plurality of elements on the second film. Therefore, the second film without sufficient stiffness and the first film can be bonded with each other to produce a composite film without wrinkles. A method for preparing a composite film using the system is also disclosed.

Abstract: The invention provides a slot die coating apparatus and the coating method thereof. The flow path is divided into a first flow path and a second flow path by the shim group. The first flow path is utilized to coat from the middle portion of the coating nozzle and the second flow path is utilized to coat from the two sides of the coating nozzle. The nozzle lips at the two sides of the slot die coating apparatus are extended to close the substrate to prevent to hit the obstacle of the substrate during coating. Also, the height for coating of the slot die coating apparatus is controllable to achieve the optimized coating.

Abstract: The invention provides a composite battery assembly structure. The heat dissipating sheets are disposed between the battery cells for support and protection. In addition to providing structural strength, the heat dissipating sheets made of high thermal conductivity material could significantly enhance the heat dissipation effect. Also, the heat dissipating sheets are connected to each other by the fixing tabs and the fixing notches. With such arrangement, the heat dissipating sheets could be easily fixed to each other. By enabling a lightweight and compact design, the invention could increase the energy density of the composite battery assembly structure on a per unit weight and per unit volume basis.

Abstract: The invention provides a slot die coating apparatus and the coating method thereof. The flow path is divided into a first flow path and a second flow path by the shim group. The first flow path is utilized to coat from the middle portion of the coating nozzle and the second flow path is utilized to coat from the two sides of the coating nozzle. The height for coating of the slot die coating apparatus is adjustable, and the slurry may be exposed from the first flow path or the second flow path. Therefore, hitting the obstacle of the substrate can be avoided during coating to achieve the optimized coating.

Abstract: The invention discloses an active material ball composite layer. The active material ball composite layer includes a plurality of active material balls and an outer binder. The active material ball include a plurality of active material particles and a first conductive material. An inner binder is used to adhere the active material particles and the first conductive material to form the active material balls. Then, the outer binder is used to adhere the active material balls to form the composite layer. The elasticity of the inner binder is smaller than the elasticity of the outer binder. Therefore, the scale of expansion of the active material particles is efficiently controlled during charging and discharging. The unrecoverable voids would be reduced or avoided.

Abstract: The invention discloses an active material ball electrode layer structure, which mainly includes the active material balls made of the active material particles, a first mixed electrolyte located inside the active material balls, and a second mixed electrolyte located outside the active material balls. The first mixed electrolyte is mainly made of the deformable electrolyte. The second mixed electrolyte is mainly made of the electrolyte with relatively lesser deformation than the deformable electrolyte of the first mixed electrolyte. The invention utilizes the first mixed electrolyte to effectively active material ball reduce the derived problems of the volume change of the active materials. Moreover, the different configuration of the first mixed electrolyte and the second mixed electrolyte inside and outside the active material balls is utilized to reduce the charge transfer resistance. Also, the expansion resistance is provided for the active material balls.

Abstract: A flexible battery is disclosed in the present invention. One of a first active material layer, an intermediate layer, a second active material layer, a first interface located between the first active material layer and the intermediate layer, and a second interface located between the second active material layer and the intermediate layer includes a first adhesive. The first adhesive includes at least one first linear polymer and at least one first crystallization inhibitor. Therefore, the active material layers, the intermediate layer or the interfaces have sufficient adhesion and flexibility. The electrochemical reaction element would not easy to be cracked or separated after bending, and the ionic and electrical conductivities of the battery is greatly improved.

Abstract: A thermal runaway suppression element, adapted for a lithium battery having an electrochemical reaction system. The thermal runaway suppression element includes: a passivation composition supplier, having a metal ion and an aluminum etching ion; and a polar solution supplier, configured to release a polar solvent to carry the metal ion and the aluminum etching ion to an aluminum current collector of the lithium battery. The aluminum current collector is configured to be etched by the aluminum etching ion to provide an aluminum ion. The metal ion and the aluminum ion are carried by the polar solvent to the electrochemical reaction system to terminate an electrochemical reaction.

Abstract: The invention provides a method for suppressing thermal runaway of lithium batteries, which is included a step of providing a lithium battery capable of performing charging and discharging, which includes an electrochemical reaction system. When the temperature of the lithium battery reaches to a predetermined temperature, a metal ion (A) and an amphoteric metal ion (B) are applied to the positive active material layer and the negative active material layer of the lithium battery to passivate the positive active material layer and the negative active material layer. The metal ion (A) is selected from a non-lithium alkali metal ion, an alkaline earth metal ion or a combination thereof to prevent the thermal runaway from occurring.

Abstract: The invention provides a method for suppressing thermal runaway of lithium batteries, which is included a step of providing a lithium battery capable of performing charging and discharging, which includes an electrochemical reaction system. When the temperature of the lithium battery reaches to a predetermined temperature, a metal ion (A) and an amphoteric metal ion (B) are applied to the positive active material layer and the negative active material layer of the lithium battery to passivate the positive active material layer and the negative active material layer. The metal ion (A) is selected from a non-lithium alkali metal ion, an alkaline earth metal ion or a combination thereof to prevent the thermal runaway from occurring.

Abstract: The invention provides a battery module with cooling cartridge and battery system thereof. The cooling cartridge is utilized to be disposed between the battery units stacked in a single axis. The supporting portion of the cooling cartridge is directly contacted in a large area to the current collecting sheet of the battery unit. And the wing portions, extended from the two sides of the supporting portion, are directly contacted to the inner sidewalls of the metal housing. Therefore, a large-area heat dissipating path for the battery cell is provided, and the performance and stability of the battery cell are greatly improved.

Abstract: The invention discloses a lithium battery structure and the electrode layer thereof. The lithium battery structure includes two battery units with the two negative active material layers being disposed in face-to-face arrangement. The negative current collector includes a conductive substrate with a plurality of through holes and an isolation layer. The isolation layer is covered on one surface of the conductive substrate and extended along the through holes to another surface to cover the edge of the openings of the through holes. It can be effectively avoided the lithium dendrites depositing near the openings of the through holes on the conductive substrate. Also, the face-to-face arrangement of the negative active material layers is effectively control the locations of the plated lithium dendrites. Therefore, the safety of the battery and the cycle life of the battery is greatly improved.

Abstract: The invention discloses a lithium electrode. The electrically conductive structure layer has a recess with one-side opening, and the lithium metal layer is disposed on the bottom of the recess. The solid electrolyte layer and the electrolyte storage layer are disposed thereon sequentially. When the lithium metal is plated, the plated lithium metal is restricted by the solid electrolyte layer to push and compress the electrolyte storage layer. Therefore, the growth of the lithium dendrites is limited efficiently. The penetration through issue of the lithium dendrites will not be occurred so that the safety of the lithium metal battery is improved greatly.

Abstract: The invention discloses a lithium battery structure and the electrode layer thereof. The lithium battery structure includes two battery units with the two negative active material layers being disposed in face-to-face arrangement. The negative current collector includes a conductive substrate with a plurality of through holes and an isolation layer. The isolation layer is covered on one surface of the conductive substrate and extended along the through holes to another surface to cover the edge of the openings of the through holes. It can be effectively avoided the lithium dendrites depositing near the openings of the through holes on the conductive substrate. Also, the face-to-face arrangement of the negative active material layers is effectively control the locations of the plated lithium dendrites. Therefore, the safety of the battery and the cycle life of the battery is greatly improved.

Abstract: The invention discloses a lithium electrode. The electrically conductive structure layer has a recess with one-side opening, and the lithium metal layer is disposed on the bottom of the recess. The solid electrolyte layer and the electrolyte storage layer are disposed thereon sequentially. When the lithium metal is plated, the plated lithium metal is restricted by the solid electrolyte layer to push and compress the electrolyte storage layer. Therefore, the growth of the lithium dendrites is limited efficiently. The penetration through issue of the lithium dendrites will not be occurred so that the safety of the lithium metal battery is improved greatly.

Abstract: The invention provides a battery module with cooling cartridge and battery system thereof. The cooling cartridge is utilized to be disposed between the battery units stacked in a single axis. The supporting portion of the cooling cartridge is directly contacted in a large area to the current collecting sheet of the battery unit. And the wing portions, extended from the two sides of the supporting portion, are directly contacted to the inner sidewalls of the metal housing. Therefore, a large-area heat dissipating path for the battery cell is provided, and the performance and stability of the battery cell are greatly improved.

Abstract: The invention discloses an active material ball composite layer. The active material ball composite layer includes a plurality of active material balls and an outer binder. The active material ball include a plurality of active material particles and a first conductive material. An inner binder is used to adhere the active material particles and the first conductive material to form the active material balls. Then, the outer binder is used to adhere the active material balls to form the composite layer. The elasticity of the inner binder is smaller than the elasticity of the outer binder. Therefore, the scale of expansion of the active material particles is efficiently controlled during charging and discharging. The unrecoverable voids would be reduced or avoided.

Abstract: The invention provides a battery module with cooling cartridge and battery system thereof. The cooling cartridge is utilized to be disposed between the battery units stacked in a single axis. The supporting portion of the cooling cartridge is directly contacted in a large area to the current collecting sheet of the battery unit. And the wing portions, extended from the two sides of the supporting portion, are directly contacted to the inner sidewalls of the metal housing. Therefore, a large-area heat dissipating path for the battery cell is provided, and the performance and stability of the battery cell are greatly improved.

Abstract: The invention discloses an active material ball composite layer. The active material ball composite layer includes a plurality of active material balls and an outer binder. The active material ball include a plurality of active material particles and a first conductive material. An inner binder is used to adhere the active material particles and the first conductive material to form the active material balls. Then, the outer binder is used to adhere the active material balls to form the composite layer. The elasticity of the inner binder is smaller than the elasticity of the outer binder. Therefore, the scale of expansion of the active material particles is efficiently controlled during charging and discharging. The unrecoverable voids would be reduced or avoided.