The present invention is directed towards an electrode comprising a porous electrical current collector comprising a surface comprising a plurality of apertures; a conformal coating present on at least a portion of the surface of the porous electrical current collector, the conformal coating comprising an electrochemically active material and an electrodepositable binder. Also disclosed herein are electrical storage devices comprising the electrode, and methods of preparing electrodes.

An electrode, a lithium battery comprising the same, and a method of manufacturing the electrode are provided. The electrode includes: an electrode active material layer including an electrode active material and a binder; an electrode current collector disposed on one surface or between opposite surfaces of the electrode active material layer; and an interlayer disposed between the electrode active material layer and the electrode current collector, wherein, when the electrode active material layer is measured by a surface and interfacial cutting analysis system (SAICAS), the ratio of change in a vertical relative force (F.sub.VR) between a first point 5% away from the surface of the electrode active material layer facing away from the electrode current collector, and a second point 5% away from the surface of the electrode current collector, with respect to the total thickness of the electrode active material layer, is 300% or less.

An electrode, a lithium battery comprising the same, and a method of manufacturing the electrode are provided. The electrode includes: an electrode active material layer including an electrode active material and a binder; an electrode current collector disposed on one surface or between opposite surfaces of the electrode active material layer; and an interlayer disposed between the electrode active material layer and the electrode current collector, wherein, when the electrode active material layer is measured by a surface and interfacial cutting analysis system (SAICAS), the ratio of change in a vertical relative force (F.sub.VR) between a first point 5% away from the surface of the electrode active material layer facing away from the electrode current collector, and a second point 5% away from the surface of the electrode current collector, with respect to the total thickness of the electrode active material layer, is 300% or less.

An all solid state battery includes: a battery body including an electrode assembly having first and second surfaces in a first direction, third and fourth surfaces in a second direction, and fifth and sixth surfaces in a third direction, and including a solid electrolyte layer and a cathode and an anode; a first connection portion; and a second connection portion disposed on the electrode assembly. The first connection portion includes a first current collecting electrode and a first protection portion, the second connection portion includes a second current collecting electrode and a second protection portion, and the first current collecting electrode is drawn out to one surface of the first connection portion in the third direction and the second current collecting electrode is drawn out to one surface of the second connection portion in the third direction.

An all solid state battery includes: a battery body including an electrode assembly having first and second surfaces in a first direction, third and fourth surfaces in a second direction, and fifth and sixth surfaces in a third direction, and including a solid electrolyte layer and a cathode and an anode; a first connection portion; and a second connection portion disposed on the electrode assembly. The first connection portion includes a first current collecting electrode and a first protection portion, the second connection portion includes a second current collecting electrode and a second protection portion, and the first current collecting electrode is drawn out to one surface of the first connection portion in the third direction and the second current collecting electrode is drawn out to one surface of the second connection portion in the third direction.

An electrically conductive porous composite composed of an expanded microsphere matrix binding a material composition having electrical conductivity properties to form an electrically conductive porous composite is disclosed herein. An energy storage device incorporating the electrically conductive porous composite is also disclosed herein.

Nanoporous carbon-based scaffolds or structures, and specifically carbon aerogels and their manufacture and use thereof. Embodiments include a sulfur-doped cathode material within a lithium-sulfur battery, where the cathode is collector-less and is formed of a binder-free, monolithic, polyimide-derived carbon aerogel. The carbon aerogel includes pores that surround elemental sulfur and accommodate expansion of the sulfur during conversion to lithium sulfide. The cathode and underlying carbon aerogel provide optimal properties for use within the lithium-sulfur battery.

A lithium- or sodium-ion battery anode layer, comprising a phosphorus material embedded in pores of a solid graphene foam composed of multiple pores and pore walls, wherein (a) the pore walls contain a pristine graphene or a non-pristine graphene material; (b) the phosphorus material contains particles or coating of P or MP.sub.y (M=transition metal and 1≤y≤4) and is in an amount from 20% to 99% by weight based on the total weight of the graphene foam and the phosphorus material combined, and (c) the multiple pores are lodged with particles or coating of the phosphorus material. Preferably, the solid graphene foam has a density from 0.01 to 1.7 g/cm.sup.3, a specific surface area from 50 to 2,000 m.sup.2/g, a thermal conductivity of at least 100 W/mK per unit of specific gravity, and/or an electrical conductivity no less than 1,000 S/cm per unit of specific gravity.

To provide a solid-state battery that can improve layout by allowing a current collecting position to be optionally disposed and that can suppress the occurrence of short circuits. A solid-state battery includes a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. A first electrode selected from one of the positive electrode and the negative electrode includes a material mixture filled portion including a metal porous body filled with an electrode material mixture. The solid electrolyte layer is disposed so as to cover a periphery of the material mixture filled portion. A second electrode selected from the other of the positive electrode and the negative electrode is disposed so as to cover the solid electrolyte layer.

An electrode for a power storage device includes a non-woven fabric current collector that comprises short fibers of aluminum or copper having an average length of 25 mm or less; and adsorbent material powder on which electrolyte ions are adsorbed during charging or active material powder which chemically react during charging and discharging, where the powder exists in the gaps formed between the short fibers of the non-woven fabric current collector.