New systems, methods and media for simultaneous energy and data transfer are provided. In some aspects of the invention, an energy and data receiver is provided, which may be used to receive data and energy simultaneously. Energy transfer media, which may be transmitted and received by such a receiver unit, are also provided.

New electrochemical battery recharging, refurbishment and replacement techniques are also provided. In some aspects of the invention, small, fungible battery elements with external contacts may be delivered to a tank comprising contacts. The cells may be delivered to the tank bridging contacts within the tank, powering an appliance. Density differentials, maneuvering protocols and variable contacts between the elements may aid in placing them in selected circuit orders, and in removing them.

A test cell assembly can include a reference electrode. The reference electrode can be connected to the outside of an all-solid-state battery and two or more reference electrodes can be provided so as to be rotatable and linearly movable, so it is possible to switch electrode modes and replace a deteriorated reference electrode without disassembling the all-solid-state battery.

A power storage device includes: a wound electrode assembly with a winding axis extending in a predetermined direction, the wound electrode assembly being formed of a stack wound spirally around the winding axis, the stack including a positive electrode in a strip shape, a negative electrode in a strip shape, and a separator in a strip shape; and a case containing an electrolyte solution and the wound electrode assembly. The wound electrode assembly has an outer peripheral surface facing the case. A first hole extending in a direction from the outer peripheral surface toward the winding axis is formed in the wound electrode assembly.

A rechargeable battery cell a casing and first and second electrode materials separately positioned in the casing. A mechanical impulse element is positioned to mechanically move and dislodge gas bubbles from at least one of the first and second electrode materials in response to activation. In some embodiments the mechanical impulse element can include a vibratory piezoelectric element. In other embodiments, a gas vent in the battery cell can be used to release dislodged gas bubbles.

A separable secondary battery stack includes a positive electrode module, a negative electrode module, and an electrolyte module. Every two of the positive electrode module, the negative electrode module, and the electrolyte module are mutually connected by means of a conveying channel in a loop; and the conveying channel is used for conveying an electrolyte.

Electrochemical systems providing reversible operation of high specific energy or gravimetric energy, and high energy density or volumetric energy battery chemistries, methods of operating such systems, processes providing high energy densities and high power densities, and architectures for the successful implementation of such systems, methods and processes. A number of interconnected electrochemical reactors can be assembled to create a battery. By presenting fluidic reactants via pumping, injection and/or other circulation technologies that enable high specific energy, high utilization of reactants, and efficient thermal control, the operation of the electrochemical reactor/battery can be optimized. In a flow battery system and method for handling molten alkali metal and hydroxide species, the volume of the reactants is maximized over inactive components and thus increase energy density. Molten and gaseous reactants/products are fed to/removed from a central power conversion module from/fed to reservoirs for discharge/charge.

The present disclosure provides a technique for making an electrolytic solution efficiently osmose into an electrode assembly. A herein disclosed electricity storage device includes a case having a liquid injection part, an electrode assembly, a resin film surrounding the electrode assembly, and an electrolytic solution. The case includes a bottom wall, an upper wall, and a first side wall. The liquid injection part is provided at a position closer to the upper wall of the first side wall. The resin film includes a first end part extending from one side in a predetermined direction to cover a part of a bottom part of the electrode assembly, and includes a second end part extending along the predetermined direction from a direction different from the first end part. A part of the second end part is stacked at the bottom wall side of the case with respect to the first end part.

A composite module, having a separator body, a plurality of first ultrasonic electrode cores, and a plurality of second ultrasonic electrode cores; the first ultrasonic electrode cores are positioned on an inner circumferential surface of the separator body and spaced apart with one another; the first ultrasonic electrode cores are integrally packaged with the separator body; one ends of the first ultrasonic electrode cores are connected in parallel through first conductive wires to form a first wiring terminal; the second ultrasonic electrode cores are positioned on an outer circumferential surface of the separator body and spaced part with one another; the second ultrasonic electrode cores are integrally packaged with the separator body; one ends of the second ultrasonic electrode cores are connected in parallel through second conductive wires to form a second wiring terminal.

An ultrasonic solid-state battery structure capable of removing lithium dendrites, comprising two ultrasonic electrode bodies, a solid electrolyte disposed between the two ultrasonic electrode bodies, and a separation assembly connected to the two ultrasonic electrode bodies, wherein the separation assembly drives each of the two ultrasonic electrode bodies either to closely contact or to separate from the solid electrolyte, and when in a separated state, a separation gap is formed between the ultrasonic electrode bodies and the solid electrolyte.

A solid-state ultrasonic battery structure capable of removing lithium dendrites, comprising two ultrasonic solid electrolytes, each internally provided with an ultrasonic electrode body, and a separation assembly connected to the two ultrasonic solid electrolytes; wherein the separation assembly drives the two ultrasonic solid electrolytes into close contact or separates them, and when in the separated state, a separation gap is formed between the two ultrasonic solid electrolytes.