An electrochemical apparatus includes a barrier, where the barrier is hermetically connected to an outer package, standalone chambers are formed at two sides of the barrier respectively, each chamber encapsulates an electrode assembly and an electrolyte, electrode assemblies in adjacent chambers are connected in series by tabs, and the barrier includes an ion insulating layer, water permeability of the barrier is less than or equal to 10.sup.−3 g/(day.Math.m.sup.2.Math.Pa)/3 mm, and sealing thickness T and sealing width W of a seal between the barrier and the outer package satisfy 0.01≤T/W≤0.05. Based on the electrochemical apparatus, not only high voltage output can be achieved and a temperature rise of the electrochemical apparatus can be reduced, but also water resistance and environmental stability of the electrochemical apparatus can be improved.

An electrochemical apparatus includes a barrier, where the barrier is hermetically connected to an outer package, standalone chambers are formed at two sides of the barrier respectively, each chamber encapsulates an electrode assembly and an electrolyte, electrode assemblies in adjacent chambers are connected in series by tabs, and the barrier includes an ion insulating layer, water permeability of the barrier is less than or equal to 10.sup.−3 g/(day.Math.m.sup.2.Math.Pa)/3 mm, and sealing thickness T and sealing width W of a seal between the barrier and the outer package satisfy 0.01≤T/W≤0.05. Based on the electrochemical apparatus, not only high voltage output can be achieved and a temperature rise of the electrochemical apparatus can be reduced, but also water resistance and environmental stability of the electrochemical apparatus can be improved.

A layered textile energy storage device can include first and second encasing layers, an anode, a cathode, and a flexible separator layer. The first and second encasing layers can each include a nylon fabric coated with a polyurethane. The anode can include a carbon fabric coated with anode active material, carbon nanotubes, and a binder material. The cathode can include a carbon fabric coated with cathode active material, carbon nanotubes, and a binder material. The flexible separator layer can be disposed between the anode and cathode to prevent internal shorting of the layered textile energy storage device. The anode, the cathode and the flexible separator layer can be disposed between the first and the second encasing layers.

A layered textile energy storage device can include first and second encasing layers, an anode, a cathode, and a flexible separator layer. The first and second encasing layers can each include a nylon fabric coated with a polyurethane. The anode can include a carbon fabric coated with anode active material, carbon nanotubes, and a binder material. The cathode can include a carbon fabric coated with cathode active material, carbon nanotubes, and a binder material. The flexible separator layer can be disposed between the anode and cathode to prevent internal shorting of the layered textile energy storage device. The anode, the cathode and the flexible separator layer can be disposed between the first and the second encasing layers.

A solid-state battery that includes: a battery element that includes, along a lamination direction, one or more battery constituent units each having a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer; an external electrode joined to an end of the battery element; a solder film covering a surface of the external electrode; and a holding terminal that holds the external electrode with the solder film.

A solid-state battery that includes: a battery element that includes, along a lamination direction, one or more battery constituent units each having a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer; an external electrode joined to an end of the battery element; a solder film covering a surface of the external electrode; and a holding terminal that holds the external electrode with the solder film.

Example embodiments of the described technology provide a stretchable electrochemical cell. The electrochemical cell may comprise an anode, a cathode, first and second current collectors electrically coupled to the anode and cathode respectively and a porous separator configured to carry an electrolyte solution. Components of the electrochemical cell may comprise a non-polar polymer or a polymer composition. Two adjacent components may comprise the same non-polar polymer or polymer composition. The electrochemical cell may also comprise an encapsulation at least partially enclosing components of the electrochemical cell.

A sealer for use in an all-solid-state secondary battery provided with a sulfur-containing solid electrolyte, characterized in that the sealer contains a resin and a particulate fatty acid metal salt dispersed in the resin, and the particulate fatty acid metal salt is a particulate fatty acid metal salt in which a fatty acid is coordinated on the surfaces of the metal particles having a mean particle diameter of not more than 1000 nm. The all-solid-state secondary battery is capable of suppressing the generation of the hydrogen sulfide.

Examples of the present disclosure include an electrochemical device. The electrochemical device includes a first substrate layer. The electrochemical device also includes an anode disposed upon the first substrate layer. The electrochemical device also includes a second substrate layer. The electrochemical device also includes a cathode disposed upon the second substrate layer. The electrochemical device also includes an electrolyte composition disposed between and in contact with the anode and the cathode. The electrochemical device also includes a sintered sealing layer composition disposed between the first substrate layer and the second substrate layer. A sintered sealing layer composition and methods for producing are also disclosed.

Examples of the present disclosure include an electrochemical device. The electrochemical device includes a first substrate layer. The electrochemical device also includes an anode disposed upon the first substrate layer. The electrochemical device also includes a second substrate layer. The electrochemical device also includes a cathode disposed upon the second substrate layer. The electrochemical device also includes an electrolyte composition disposed between and in contact with the anode and the cathode. The electrochemical device also includes a sintered sealing layer composition disposed between the first substrate layer and the second substrate layer. A sintered sealing layer composition and methods for producing are also disclosed.