Electrodepositable compositions including an aqueous medium, an ionic resin and particles including thermally produced graphenic carbon nanoparticles are disclosed. The compositions may also include lithium-containing particles. Electrodeposited coatings comprising a cured ionic resin, thermally produced graphenic carbon nanoparticle and lithium-containing particles are also disclosed. The electrodeposited coatings may be used as coatings for lithium ion battery electrodes.

A lithium (Li) ion battery includes a first electrode with a second electrode, and a shutdown polymer additive on an outer surface of the first electrode. The shutdown polymer additive includes at least two polyethylene layers, each polyethylene layer comprising a plurality of polyethylene microspheres. Each polyethylene microsphere is wrapped with carbon nanotubes. The polyethylene microspheres interconnect with each other such that the carbon nanotubes form a conductive network. The polyethylene layers are provided at predetermined areas of the outer surface of the first electrode.

A lithium (Li) ion battery includes a first electrode with a second electrode, and a shutdown polymer additive on an outer surface of the first electrode. The shutdown polymer additive includes at least two polyethylene layers, each polyethylene layer comprising a plurality of polyethylene microspheres. Each polyethylene microsphere is wrapped with carbon nanotubes. The polyethylene microspheres interconnect with each other such that the carbon nanotubes form a conductive network. The polyethylene layers are provided at predetermined areas of the outer surface of the first electrode.

The present invention is directed to electrodepositable compositions comprising: (a) an aqueous medium; (b) an ionic resin; and (c) solid particles comprising: (i) lithium-containing particles, and (ii) electrically conductive particles, wherein the composition has a weight ratio of the solid particles to the ionic resin of at least 17:1, and wherein the weight ratio of the lithium-containing particles to the electrically conductive particles is at least 3:1. The present invention is additionally directed to a battery electrode comprising a substrate and a coating applied to a surface of the substrate. The coating is deposited from the electrodepositable composition described above.

The present invention is directed to electrodepositable compositions comprising: (a) an aqueous medium; (b) an ionic resin; and (c) solid particles comprising: (i) lithium-containing particles, and (ii) electrically conductive particles, wherein the composition has a weight ratio of the solid particles to the ionic resin of at least 17:1, and wherein the weight ratio of the lithium-containing particles to the electrically conductive particles is at least 3:1. The present invention is additionally directed to a battery electrode comprising a substrate and a coating applied to a surface of the substrate. The coating is deposited from the electrodepositable composition described above.

Provided is a process for producing a sulfur cathode for a metal-sulfur battery. The process comprises: (a) Preparing a humic acid-derived foam or combined humic acid/graphene-derived foam composed of multiple pores and pore walls, wherein the pore walls contain one or a plurality of hexagonal carbon atomic planes; and (b) Impregnating the foam with sulfur or sulfide in a form of thin particles or coating, having a diameter or thickness less than 500 nm, which are lodged in the pores or deposited on the pore walls of the foam.

Provided is a process for producing a sulfur cathode for a metal-sulfur battery. The process comprises: (a) Preparing a humic acid-derived foam or combined humic acid/graphene-derived foam composed of multiple pores and pore walls, wherein the pore walls contain one or a plurality of hexagonal carbon atomic planes; and (b) Impregnating the foam with sulfur or sulfide in a form of thin particles or coating, having a diameter or thickness less than 500 nm, which are lodged in the pores or deposited on the pore walls of the foam.

A formulation is described in the form of a solid-liquid dispersion for the manufacture of a cathode, comprising a liquid-phase solvent, a sulfur-carbon composite in the form of particles with a median diameter D50 of less than 50 m, and less than 10% by number of the particles of the dispersion are particles of sulfur in elemental form.

A formulation is described in the form of a solid-liquid dispersion for the manufacture of a cathode, comprising a liquid-phase solvent, a sulfur-carbon composite in the form of particles with a median diameter D50 of less than 50 m, and less than 10% by number of the particles of the dispersion are particles of sulfur in elemental form.

Provided are a positive electrode for a metal-sulfur battery, a method of manufacturing the same, and a metal-sulfur battery including the same. The positive electrode comprises a positive electrode active material layer including carbon material and sulfur-containing material. In the positive electrode active material layer, a region in which the sulfur-containing material is densified and a region in which the carbon material is densified are arranged separately. By providing a positive electrode capable of exhibiting a high utilization rate of sulfur, it is possible to provide a metal-sulfur battery having high capacity and stable life characteristics.