This power storage module includes: an electrode laminate in which a plurality of electrodes including a plurality of bipolar electrodes are laminated along a first direction; and a sealing body that is provided in the electrode laminate and that seals the electrode laminate, wherein each of the…
An electrical storage device electrode includes a collector, and an active material layer that is formed on a surface of the collector, the active material layer including at least a polymer and an active material, and the active material layer having a polymer distribution coefficient of 0.6 to…
The invention provides an electrode active material which allows an electrical storage device such as a lithium ion capacitor or a lithium ion secondary battery to exhibit excellent low-temperature characteristics. The electrode active material includes a carbon material having a volume of…
An electric double layer capacitor with a low resistance value is disclosed. The electric double layer capacitor includes an electrochemical device in the inside of a housing container and capable of achieving charge and discharge via external terminals, wherein the electrochemical device includes…
In a lithium ion secondary battery using a negative electrode material powder including a lower silicon oxide powder as a negative electrode material, a charge electric potential at 0.45-1.0 V relative to a Li reference upon initial charging results in a lithium ion secondary battery having a large…
An object is to provide an electrode assembly for an electric storage device, such as a nonaqueous electrolyte cell, and an electric storage device that are capable of preventing increase of a short-circuit current at the time of occurrence of a short-circuit within a cell and have high safety. In…
[Problem] To provide a hybrid negative plate for a lead-acid storage battery, that inhibits decrease in hydrogen gas evolution potential and improves rapid discharge cycle characteristics in PSOC. [Means for Resolution] In a hybrid negative plate for a lead-acid storage battery, comprising a…
There is provided a method for producing a hybrid negative plate for a lead-acid storage battery which is improved in the production working efficiency and the productivity and enhances the quick charge and discharge characteristics and the discharge characteristics at a low temperature under PSOC…
There is provided an electric storage device in which an electrode assembly enclosed in an insulating cover can be smoothly inserted in a case and the electrode assembly is positioned in place inside the case when housed in the case. The electric storage device according to the present invention…
The object is to stabilize the dispersion of a conductive additive in a composition for a battery without deteriorating the conducting property of the conductive additive, and to thereby improve the battery performance of a battery produced by using the composition. Disclosed is a composition for a…
An object of this invention is to achieve the current collecting structure and the electrode structure with good electrical conductivity and ionic conductivity which are comprised of the current collecting substrate and the current collecting structure or the electrode structure that are covered…
An electric double layer capacitor (1) has a pair of activated carbon electrodes (3,4) and an organic solution in which an electrolyte is dissolved in an organic solvent. An electrolyte solution is also provided. In the electric double layer capacitor (1), at least one of cycloalkane, cycloalkene…