Embodiments of the present disclosure are directed towards Faradaic energy storage device structures and associated techniques and configurations. In one embodiment, an apparatus includes an apparatus comprising a substrate having a plurality of holes disposed in a surface of the substrate, the plurality of holes being configured in an array of multiple rows and an active material for Faradaic energy storage disposed in the plurality of holes to substantially fill the plurality of holes. Other embodiments may be described and/or claimed.

The present disclosure relates to a pliable carbonaceous pocket composite structure including various particles encapsulated within pliable carbonaceous pockets formed by carbonaceous sheets, a method for preparing the pliable carbonaceous pocket composite structure which enables ultrafast mass production of the pliable carbonaceous pocket composite structure, an electrode including the pliable carbonaceous pocket composite structure, and an energy storage device including the electrode.

An electrode (10) for a combination of supercapacitor and battery, comprising an active structure (12), wherein the active structure (12) comprises an active material layer (18) which is divided into strips in the plane and capacitor strips (16) and battery strips (14) are arranged alternately in the plane, is proposed. Also a process for producing such an electrode (10) and a combined supercapacitor and battery cell comprising at least one such electrode.

A fuel cell system mounted in a vehicle includes a fuel cell supplying electric power to a motor driving the vehicle, a pump supplying oxygen to the fuel cell, an accelerator position detection unit detecting an accelerator depression amount of the vehicle, and a control unit calculating electric power required to be generated by the fuel cell and electric power required for driving of the pump based on the accelerator depression amount and controlling the pump based on the electric power required for the driving, in which the control unit calculates the electric power required for the driving such that a rate of increase in the electric power required for the driving exceeds a rate of increase in the electric power required to be generated when the calculated electric power required to be generated increases.

An integrated circuit has a substrate, a super-capacitor supported by the substrate, and a battery supported by the substrate. The super-capacitor includes a super-capacitor electrode and a shared electrode, and the battery has a battery electrode and the prior noted shared electrode. The super-capacitor and battery form at least a part of a monolithic integrated circuit.

The present invention provides an electrolyte solvent with adjustable solvation properties, and through an electrolyte technology, adjusts the anion-rich solvent with favorable solubility, and develops and synthesizes the solvent with weak solvation properties, so that the battery performance can be greatly improved and the solvent can be produced at low cost. The electrolyte technology of the present invention can control the electrochemical battery, taking the lithium battery as an example, the growth pattern of the lithium and the interface control of the positive and negative electrodes, which can help improve the safety of the lithium battery during fast charging, and it can be extended to various electrochemical devices such as metal/metal-ion/metal and metal-ion hybrid batteries.

An electrochemical storage device including a plurality of electrochemical cells connected electrically in series. Each cell includes an anode electrode, a cathode electrode and an aqueous electrolyte. The charge storage capacity of the anode electrode is less than the charge storage capacity of the cathode.

A lithium ion energy and power system including: a housing containing: at least three electrodes including: at least one first electrode including a cathodic faradaic energy storage material; at least one second electrode including an anodic faradaic energy storage material; and at least one third electrode including a cathodic non-faradaic energy storage material, wherein the at least one first, second, and third electrodes are adjacent as defined herein, and the at least one second electrode is electrically isolated from the electrically coupled at least one first electrode and the at least one third electrode; a separator between the electrodes; and a liquid electrolyte between the electrodes. Also disclosed is a method of making and using the disclosed lithium ion energy and power system.

A sodium electrochemical cell that supports a current density at the negative electrode of at least 500 ?A/cm.sup.2, the electrochemical cell comprising (i) a negative electrode and (ii) a sodium-ion ionic liquid electrolyte having a sodium-ion concentration that is no less than 75% of its saturation limit in the electrolyte, wherein the negative electrode has a solid-electrolyte interphase (SEI) layer formed as a result of the electrochemical cell having undergone a polarisation cycle.

Provided is a non-aqueous lithium-type electrical storage element having both high output and high capacity per volume. The non-aqueous lithium-type electrical storage element relevant to the present invention is a non-aqueous lithium-type electrical storage element having: an electrode body laminated with a positive electrode having a positive electrode active material layer including a positive electrode active material, and a positive electrode current collector, a separator, and a negative electrode having a negative electrode active material layer including a negative electrode active material, and a negative electrode current collector; a non-aqueous electrolytic solution including a lithium ion; and an outer casing.