A capacitor-assisted electrode for an electrochemical cell that cycles lithium ions is provided. The capacitor-assisted electrode may include at least two electroactive materials disposed on one or more surfaces of a current collector. A first electroactive material of the at least two electroactive materials may have a first reversible specific capacity and forms a first electroactive material having a first press density. A second electroactive material of the at least two electroactive materials has a second reversible specific capacity and forms a second electroactive material having a second press density. The second reversible specific capacity may be different from the first reversible specific capacity. The second press density may be different from the first press density. One or more capacitor materials may be disposed on or intermingled with one or more of the at least two electroactive materials.

A capacitor-assisted electrode for an electrochemical cell that cycles lithium ions is provided. The capacitor-assisted electrode may include at least two electroactive materials disposed on one or more surfaces of a current collector. A first electroactive material of the at least two electroactive materials may have a first reversible specific capacity and forms a first electroactive material having a first press density. A second electroactive material of the at least two electroactive materials has a second reversible specific capacity and forms a second electroactive material having a second press density. The second reversible specific capacity may be different from the first reversible specific capacity. The second press density may be different from the first press density. One or more capacitor materials may be disposed on or intermingled with one or more of the at least two electroactive materials.

Disclosed embodiments may include an electric power system. The electric power system may include a plurality of capacitors each including a first and second panel. The first panel may include a positive current collector, and a positive electrode including a nano-structured carbon material. The second panel may include a negative current collector, and a negative electrode including the nano-structured carbon material. Each capacitor may include an electrode separator disposed between the first and second panels, and an O-ring configured to form a seal between the first and second panels. The electric power system may include sensor(s) configured to detect one or more properties of the capacitors, processor(s) configured to analyze data associated with the detected properties based on algorithm(s), and control switch(es) configured to modify contact between the capacitors based on the analyzed data thereby resulting in automatic adaptation of an electric output of the electric power system.

Disclosed embodiments may include an electric power system. The electric power system may include a plurality of capacitors each including a first and second panel. The first panel may include a positive current collector, and a positive electrode including a nano-structured carbon material. The second panel may include a negative current collector, and a negative electrode including the nano-structured carbon material. Each capacitor may include an electrode separator disposed between the first and second panels, and an O-ring configured to form a seal between the first and second panels. The electric power system may include sensor(s) configured to detect one or more properties of the capacitors, processor(s) configured to analyze data associated with the detected properties based on algorithm(s), and control switch(es) configured to modify contact between the capacitors based on the analyzed data thereby resulting in automatic adaptation of an electric output of the electric power system.

A wiring module includes a first housing section row, a second housing section row, and linking sections. The first housing section row includes first housing sections that are arranged in an arrangement direction and include connection bus bars therein, respectively. The second housing section row includes second housing sections that are arranged in the arrangement direction and include the connection bus bars and output bus bars therein, respectively, and is disposed away from the first housing section row with respect to a crossing direction that crosses the arrangement direction. The linking sections are disposed between the first and second housing section rows and link the first and second housing section rows. The first housing sections are connected by a first warping section that can be deformed with warping and the second housing sections are connected by a second warping section that can be deformed with warping.

In some examples, an assembly for a medical device. The assembly includes a first electrode comprising a first conductive tab, and a first current collector; a second electrode including a second conductive tab, a second current collector, a third current collector, and at least one connector connecting the second current collector to the third current collector, wherein the second current collector and the third current collector are folded over each other about the at least one connector, wherein the second conductive tab is coupled to the second current collector, and wherein the third current collector is electrically coupled to second conductive tab via the at least one connector and the second current collector; and a foil package being sealed over the first conductive tab and the second conductive tab to partially enclose the first electrode and second electrode.

An electric double layer capacitor includes a plurality of current collector plates, an electrode layer formed on one surface of each of the current collector plates, and a plurality of separators which extend through the electrode layer from one surface of each of the current collector plates in a continuous pattern of a predetermined design and in which a repeated pattern is formed in the length and width directions of the current collector plates.

An energy storage device including: an electrode assembly and a positive electrode current collector, wherein the positive electrode current collector includes an electrode connecting portion connected to the electrode assembly, the electrode connecting portion includes a first portion and a second portion which has a smaller wall thickness than the first portion and is joined to the electrode assembly, and either one of the second portion or the electrode assembly includes a first convex portion projecting toward the other in a joined portion.

An energy storage device including: an electrode assembly and a positive electrode current collector, wherein the positive electrode current collector includes an electrode connecting portion connected to the electrode assembly, the electrode connecting portion includes a first portion and a second portion which has a smaller wall thickness than the first portion and is joined to the electrode assembly, and either one of the second portion or the electrode assembly includes a first convex portion projecting toward the other in a joined portion.

A power storage device having flexibility is provided. A power storage device of which the capacity is not likely to deteriorate even when being curved is provided. A power storage device includes a first electrode, a second electrode, and an electrolytic solution. The first electrode and the second electrode overlap with each other. The first electrode includes a first current collector and a first active material layer. The first current collector has a first surface and a second surface. The first active material layer is provided on the first surface. The first current collector has a first bent portion with the second surface inside. The second surface includes a first region and a second region. The first region overlaps with the second region. The first region is connected to the second region at a portion different from the first bent portion.