A flexible energy storage device with a redox-active polymer hydrogel electrolyte is provided. The flexible energy storage device can include a pair of electrodes separated by the redox-active polymer hydrogel electrolyte. The redox-active polymer hydrogel electrolyte can include a polymer hydrogel, charge balancing anions and redox-active transition metal cations at least one selected from the group consisting of vanadium, chromium, manganese, cobalt, and copper. The flexible energy storage device may retain greater than 75% of an unbent specific capacitance when bent at an angle of 100 to 170°.

The invention provides filamentous organism-derived carbonaceous materials doped with organic and/or inorganic compounds, and methods of making the same. In certain embodiments, these carbonaceous materials are used as electrodes in solid state batteries and/or lithium-ion batteries. In another aspect, these carbonaceous materials are used as a catalyst, catalyst support, adsorbent, filter and/or other carbon-based material or adsorbent. In yet another aspect, the invention provides battery devices incorporating the carbonaceous electrode materials.

The invention provides filamentous organism-derived carbonaceous materials doped with organic and/or inorganic compounds, and methods of making the same. In certain embodiments, these carbonaceous materials are used as electrodes in solid state batteries and/or lithium-ion batteries. In another aspect, these carbonaceous materials are used as a catalyst, catalyst support, adsorbent, filter and/or other carbon-based material or adsorbent. In yet another aspect, the invention provides battery devices incorporating the carbonaceous electrode materials.

A process is provided comprising submerging a substrate in an electrochemical deposit bath having at least a metal salt and saccharin. In embodiments, the film is further treated with anodization, and in other cases chemical vapor deposition. Films are also provided formed by the disclosed processes. The films are nanoporous on at least a portion of a surface of the films. Also disclosed are electronic devices having the films disclosed, including lithium-ion batteries, storage devices, supercapacitors, electrodes, semiconductors, fuel cells, and/or combinations thereof.

A process is provided comprising submerging a substrate in an electrochemical deposit bath having at least a metal salt and saccharin. In embodiments, the film is further treated with anodization, and in other cases chemical vapor deposition. Films are also provided formed by the disclosed processes. The films are nanoporous on at least a portion of a surface of the films. Also disclosed are electronic devices having the films disclosed, including lithium-ion batteries, storage devices, supercapacitors, electrodes, semiconductors, fuel cells, and/or combinations thereof.

An electricity-storage module includes an electrode stacked body and a sealing body. A negative terminal electrode is disposed at one end of the electrode stacked body in a stacking direction such that a second surface is an inner side of the electrode stacked body. The sealing body includes first resin portions 21 which are joined to edge portions, and a second resin portion that is joined to the first resin portions 21 so as to surround the first resin portions from an outer side.

An electricity-storage module includes an electrode stacked body and a sealing body. A negative terminal electrode is disposed at one end of the electrode stacked body in a stacking direction such that a second surface is an inner side of the electrode stacked body. The sealing body includes first resin portions 21 which are joined to edge portions, and a second resin portion that is joined to the first resin portions 21 so as to surround the first resin portions from an outer side.

A power storage device includes a plurality of power storage modules laminated, a conductive plate and a sealing member. The conductive plate and the sealing member are provided between the power storage modules adjacent to each other in a laminating direction of the power storage modules. The plurality of power storage modules each have an electrode laminate, an electrolytic solution, and a sealing body. The electrode laminate has electrode exposed portions exposed from the sealing body at one end and the other end in the laminating direction. Between the power storage modules adjacent to each other in the laminating direction, the conductive plate is disposed between the electrode exposed portions opposing each other to be in contact with the electrode exposed portions, and at least a portion between the sealing bodies opposing each other is filled with the sealing member.

A power storage device includes a plurality of power storage modules laminated, a conductive plate and a sealing member. The conductive plate and the sealing member are provided between the power storage modules adjacent to each other in a laminating direction of the power storage modules. The plurality of power storage modules each have an electrode laminate, an electrolytic solution, and a sealing body. The electrode laminate has electrode exposed portions exposed from the sealing body at one end and the other end in the laminating direction. Between the power storage modules adjacent to each other in the laminating direction, the conductive plate is disposed between the electrode exposed portions opposing each other to be in contact with the electrode exposed portions, and at least a portion between the sealing bodies opposing each other is filled with the sealing member.

An MOFs composite electrode material for supercapacitors includes: a Ni-BSC matrix, and a PEDOT coating layer coated on the Ni-BTC matrix, wherein a molar ratio of EDOT to Ni-BTC is 1:(1-4) based on a molar amount of EDOT monomer. A method for preparing the MOFs composite electrode material includes steps of: using nickel nitrate hexahydrate and benzenetricarboxylic acid as raw materials to synthesize Ni-BTC by a hydrothermal method; and using a liquid phase method to grow PEDOT on a surface of the Ni-BTC. An MOFs composite electrode slurry and a working electrode for the supercapacitors including the above MOFs composite electrode material or a MOFs composite electrode material prepared by the above method are also provided. The MOFs composite electrode material provided by the present invention combines advantages of Ni-BTC and PEDOT.