Provided is an anode, an alkali metal battery comprising such an anode, and a production process; the anode comprising: (a) an anode current collector; (b) an anode active material layer comprising (i) multiple vertically oriented graphene sheets that are ...

Powder comprising multiple porous graphene balls as a cathode active material for an alkali metal-sulfur battery, wherein a graphene balls has a diameter from 100 nm to 20 μm and comprises (i) pores and pore walls therein and (ii) sulfur or metal polysulf...

Provided are a powder mass and a production process, the powder mass comprising multiple porous graphene balls for use in a lithium-ion or sodium-ion battery, wherein at least one of the graphene balls has a diameter from 100 nm to 20 μm and comprises (i)...

A substantially liquid solvent-free method of producing a bipolar battery pack, comprising: (a) providing a first set of multiple bipolar electrodes and at least one or multiple ion-permeable separator layers, wherein the bipolar electrode comprises (i) a ...

A high-voltage alkali battery, comprising a plurality of unit cells each comprising: (a) a cathode comprising (i) a cathode current collector; and (ii) a cathode active layer bonded to a first portion, but not a second portion, of the current collector, wh...

Provided is a cathode active material for a rechargeable alkali metal battery, wherein the cathode active material comprises a sodium salt composite comprising a mixture or composite of Fe and at least a sodium salt selected from NaA, wherein x is from 1 t...

A process for producing a porous host structure or a powder mass of multiple porous particulates containing silicon oxide (SiO) therein, comprising (a) providing a porous host structure having a volume fraction of pores from 5% to 99.9%, wherein the porous...