摘要:
A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a first electrode layer, a second electrode layer, and an electrolyte layer provided between the first and second electrode layers, the electrolyte layer including electrolyte particles, wherein at least one of the first and second electrode layers includes a base member having a major surface on which a plurality of concave portions are formed and an electrode material filled in at least the concave portions, the major surface facing to the electrolyte layer.
摘要:
A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a first electrode layer, a second electrode layer, and an electrolyte layer provided between the first and second electrode layers, the electrolyte layer including electrolyte particles, wherein at least one of the first and second electrode layers includes a base member having a major surface on which a plurality of concave portions are formed and an electrode material filled in at least the concave portions, the major surface facing to the electrolyte layer.
摘要:
A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. A method for manufacturing a secondary battery, the secondary battery including a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof, the method includes preparing a mold, the pair of electrodes and electrolyte particles for forming the electrolyte layer, joining the pair of electrodes and the electrolyte layer together by pressing the electrodes and the electrolyte particles within the mold to form the laminated body, and providing the restrictor so as to cover at least the end portion of the laminated body removed from the mold.
摘要:
Disclosed are a molded solid electrolyte and molded electrode having excellent electrochemical properties and high procesability. As a binder for these molded articles, a hydrogenated block copolymer is used which is obtained by hydrogenating a straight chain or branched block copolymer containing a block (A) comprising polybutadiene whose 1,2-vinyl bond content is 15% or less and a block (B) comprising a butadiene (co)polymer consisting of 50 to 100% by weight of butadiene and 0 to 50% by weight of other monomers in which 1,2-vinyl bond content of butadiene portion is 20 to 90%, wherein (A)/(B)=5 to 70/95 to 30% by weight.
摘要:
A battery device comprises a first lead board having one surface and the other surface, a second lead board having one surface and the other surface, the one surface of the second lead board facing the one surface of the first lead board through a spacing, a first terminal electrode formed on the one surface of the first lead board, a second terminal electrode formed on the one surface of the second lead board, and a solid electrolyte of conducting a lithium ion provided in the spacing between the one surface of the first lead board and the one surface of the second lead board so as to cover at least one of the first terminal electrode and the second terminal electrode. Such a battery device can eliminate occurrence of short-circuit between the cathode and the anode, which likely to occur during the production of an all-solid secondary battery. Further, an all-solid lithium-ion secondary battery provided with the battery device is also provided.
摘要:
An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.
摘要:
A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the electrolyte layer including electrolyte particles, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof.
摘要:
A molded solid electrolyte, a molded electrode and an electrochemical device which contain a polymer composition consisting of 50 to 100 wt % of 1,2-polybutadiene having a 1,2-vinyl content of 70% or more and a crystallinity of 5 to 50%, and 0 to 50 wt % of polar rubber. According to the present invention, it becomes possible to obtain a molded solid electrolyte provided with high ionic conductivity and high workability, or a molded electrode having high electrode activity, and it is also possible to obtain an electrochemical device showing excellent activating properties by using the molded solid electrolyte and the molded electrode.
摘要:
A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. A method for manufacturing a secondary battery, the secondary battery including a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof, the method includes preparing a mold, the pair of electrodes and electrolyte particles for forming the electrolyte layer, joining the pair of electrodes and the electrolyte layer together by pressing the electrodes and the electrolyte particles within the mold to form the laminated body, and providing the restrictor so as to cover at least the end portion of the laminated body removed from the mold.
摘要:
An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.