Abstract: Systems and methods for batteries comprising a cathode, an electrolyte, and an anode, wherein the anode is a Si-dominant anode that utilizes water-soluble maleic anhydride- and/or maleic acid-containing polymers/co-polymers, derivatives, and/or combinations (with or without additives) as binders.

Abstract: Disclosed herein are membrane-electrode assemblies and fuel cells comprising an anode comprising a first catalyst; a cathode comprising a second catalyst; and a proton exchange membrane between the anode and cathode; wherein at least one of the proton exchange membrane, anode, and cathode comprise an antioxidant comprising yttrium doped cerium oxide and a metal doped cerium oxide that has a faster release time of cerium ions compared to yttrium doped cerium oxide.

Abstract: The present invention generally relates to electrolytes for use in various electrochemical devices. In some cases, the electrolytes are relatively safe to use; for example, the electrolytes may be resistant to overheating, catching on fire, burning, exploding, etc. In some embodiments, such electrolytes may be useful for certain types of high-voltage cathode materials. In some cases, the electrolytes may include ion dissociation compounds that can dissociate tight ion pairs. Non-limiting examples of ion dissociation compounds include trialkyl phosphates, sulfones, or the like. Other aspects of the invention are generally directed to devices including such electrolytes, methods of making or using such electrolytes, kits including such electrolytes, or the like.

Abstract: Battery parts having retaining and sealing features and associated assemblies and methods are disclosed herein. In one embodiment, a battery part includes a base portion that is configured to be embedded in battery container material of a corresponding battery container. The battery part and base portion include several torque resisting features and gripping features that resist torsional or twist loads that are applied to the battery part after it has been joined to the battery container. For example, the base portion can include several internal and external torque resisting features and gripping features that are configured to resist twisting or loosening of the battery part with reference to the battery container material, as well as prevent or inhibit fluid leakage from the battery container.

Abstract: A controlled oxidizing method is provided for preparing a high-performance nickel-rich lithium ion battery cathode material having a composition of LiNixM1-xO2, where 0.6<x<0.9, and M is one or more metals selected from the group consisting of Co, Mn, Fe, Ti, Zr, V, and Cr. The method comprises combining a water-soluble salt precursor of nickel and a water-soluble salt precursor of the one or more M metals with one or more oxidizing agents to form an aqueous solution. The aqueous solution is alkalized to a selected pH value to produce precipitated precursors. The precipitated precursors are mixed with a lithium precursor to form a lithiated precursor. The lithiated precursor is calcined to form the nickel-rich lithium ion battery cathode material.

Abstract: A battery pack includes battery cell having exhaust valve that opens when internal pressure exceeds set pressure, and case that houses battery cell. Case includes multiple case units molded with plastic, multiple case units being coupled with mating surfaces to dispose battery cell inside case, and heat-resistant material disposed inside mating surfaces of respective multiple case units, heat-resistant material blocking gap between mating surfaces.

Abstract: This invention provides a method whereby Si microparticles (“Si MP”) with low cost and nitrogen-abundant chitin fibers from crustacean shells are used as raw materials to produce Si nanoparticles and nitrogen doped carbon composite via a scalable ball milling method. During the ball-milling process, Si MP are downsized, and the chitin fibers are wrapped around the particles. The milled product is then post-thermally treated to obtain Si and nitrogen doped carbon composites.

Abstract: A system and method for a liquid electrolyte used in secondary electrochemical cells having at least one electrode including a TMCCC material, the liquid electrolyte enabling an increased lifetime while allowing for fast discharge to extremely high depth of discharge. The addition of dinitriles to liquid electrolytes in electrochemical cells in which energy storage is achieved by ion intercalation in transition metal cyanide coordination compounds (TMCCC) has the advantage of increasing device lifetime by inhibiting common chemical and electrochemical degradation mechanisms.

Abstract: In order to solve the problems of insufficient high-temperature storage performance and high-temperature cycle performance of the existing lithium ion battery, the present application provides a non-aqueous electrolyte for lithium ion battery, comprising a bicyclic sulfate compound and a compound A represented by structural formula 1. In structural formula 1, R3, R4, R5, R6, R7 and R8 are each independently selected from hydrogen, fluorine atom or a group containing 1˜5 carbon atoms. Meanwhile, the application also discloses a lithium ion battery comprising the non-aqueous electrolyte for lithium ion battery. The non-aqueous electrolyte for lithium ion battery provided by the application is beneficial to improving high-temperature storage and high-temperature cycle performance of battery.

Abstract: A system and method for a liquid electrolyte used in secondary electrochemical cells having at least one electrode including a TMCCC material, the liquid electrolyte enabling an increased lifetime while allowing for fast discharge to extremely high depth of discharge. The addition of dinitriles to liquid electrolytes in electrochemical cells in which energy storage is achieved by ion intercalation in transition metal cyanide coordination compounds (TMCCC) has the advantage of increasing device lifetime by inhibiting common chemical and electrochemical degradation mechanisms.

Abstract: Carbon nanoparticle-porous skeleton composite material, its composite with lithium metal, and their preparation methods and use A carbon nanoparticle-porous skeleton composite material, its composite with lithium metal, and their preparation methods and use. In the carbon nanoparticle-porous skeleton composite material, the porous skeleton is a carbon-based porous microsphere material with a diameter of 1 to 100 ?m or a porous metal material having internal pores with a micrometer-scale pore size distribution, and the carbon nanoparticles are distributed in pores and on the surface of the carbon-based porous microsphere material or the porous metal material. The carbon nanoparticle-porous skeleton composite material is mixed with a molten lithium metal to form a lithium-carbon nanoparticle-porous skeleton composite material.

Abstract: A solid oxide fuel cell includes a metal support cell, in which an anode layer containing nickel, an electrolyte layer and a cathode layer are stacked on a metal support portion. In the method for activating the anode layer in the solid oxide fuel cell, first, an oxygen-containing gas is introduced into the anode layer to oxidize the nickel. Next, a hydrogen-containing gas HG is introduced into the anode layer to reduce the nickel oxide formed by oxidizing the nickel, and to increase conduction paths of the nickel that electrically connect the electrolyte layer to the metal support part in the anode layer.

Abstract: According to an example aspect of the present invention, there is provided a rechargeable electromagnetic induction battery comprising: a first electrode, which comprises heat sink and an anode; a second electrode, which comprises heat sink and a cathode; an inductor coil; and an electrolytic solution contained between the first and second electrodes. Also, there is provided a method of charging an electromagnetic induction battery, comprising the steps of: attaching a voltage source to the battery, applying a direct current voltage to the battery for a first period of time, and applying an alternating current voltage to the battery for a second period of time, wherein the battery has an anode, cathode, inductor and an electrolytic solution comprising electrons, wherein the alternating current generates a magnetic field which excites the electrons in the electrolytic solution to an upper energy state.

Abstract: The present disclosure relates to a multilayer electrode for a secondary battery. The multilayer electrode for a secondary battery includes: an electrode current collector; a first mixture layer including an active material, a binder, and a single-walled carbon nanotube, the first mixture layer being formed on at least one surface of the electrode current collector; and a second mixture layer including an active material, a binder, and a multi-walled carbon nanotube, the second mixture layer being formed on the first mixture layer. According to the present disclosure, by improving the uniformity of the distribution of the conductive material in the electrode mixture layer, it is possible to prevent the resistance from increasing, and as a result, it is possible to improve the output characteristics of the secondary battery.

Abstract: A system for battery pack cooling including a battery pack. The battery pack includes a plurality of pouch cells and a separation element, where the separation separates at least a first pouch cell of the plurality pouch cells from a second pouch cell of the plurality of pouch cells. The separation element contains a fluid. The system also includes a cooling plate, where the cooling plate is adjacent to the lower side of the battery pack. The cooling plate comprises at least a cooling fin, where the at least a cooling fin extends towards the separation element.

Abstract: A separator for an electricity storage device comprising a silane-modified polyolefin, wherein silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts with the electrolyte solution, as well as a method for producing the separator.

Abstract: The present disclosure relates to a cathode active material for a secondary battery, a cathode for a secondary battery including the same, a secondary battery including the cathode for a secondary battery and manufacturing methods thereof. More particularly, it is possible to obtain a secondary battery having excellent electrochemical characteristics by electrochemically inducing a structural phase change in the cathode active material of a secondary battery including NaCl as a cathode active material.

Abstract: Provided are electrode active materials with a porous structure and including a metal, that when loaded with sulfur serve as electrochemically superior cathode active materials. The metal structures are optionally used on their own, are coated with another material, or coats another porous structure such as a porous carbon structure that allows for excellent retention of both sulfur and polysulfides, are conductive themselves, and show long term stability and excellent cycle life.

Abstract: A battery plate assembly for a lead-acid battery is disclosed. The assembly includes a plates of opposing polarity each formed by an electrically conductive grid body having opposed top and bottom frame elements and opposed first and second side frame elements, the top frame element having a lug and an opposing enlarged conductive section extending toward the bottom frame element; a plurality of interconnecting electrically conductive grid elements defining a grid pattern defining a plurality of open areas, the grid elements including a plurality of radially extending vertical grid wire elements connected to the top frame element, and a plurality of horizontally extending grid wire elements, the grid body having an active material provided thereon. A highly absorbent separator is wrapped around at least a portion of the plate of a first polarity and extends to opposing plate faces. An electrolyte is provided, wherein substantially all of the electrolyte is absorbed by the separator or active material.

Abstract: The present disclosure relates to an all-solid-state lithium-ion battery produced by applying onto a substrate a slurry in which an active material, a conductive material, a sulfide-based solid-state electrolyte, a binder and a solvent are mixed, characterized in that the binder is a hydrogenated acrylate-nitrile-butadiene rubber (H-ANBR) which comprises remaining double bonds in an amount of more than 0% and not more than 5.5% based on the total amount of the H-ANBR.