▎ 摘　　要

NOVELTY - Anode or negative electrode layer comprises multiple particles or coating of phosphorus material and solid graphene foam includes multiple pores and pore walls. The pores has pore size from 2 nanometer-20 micrometer. The pore walls contains pristine graphene material having less than 0.01 wt.% of non-carbon elements or non-pristine graphene material having 0.01-5 wt.% non-carbon elements. The non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, boron-doped graphene, nitrogen-doped graphene, chemically functionalized graphene, and combinations. USE - Anode or negative electrode layer for lithium-ion battery or sodium-ion battery. ADVANTAGE - The anode or negative electrode layer improves performance of P-based anode materials. DETAILED DESCRIPTION - Anode or negative electrode layer comprises multiple particles or coating of phosphorus material and solid graphene foam includes multiple pores and pore walls. The pores has pore size from 2 nanometer-20 micrometer. The pore walls contains pristine graphene material having less than 0.01 wt.% of non-carbon elements or non-pristine graphene material having 0.01-5 wt.% non-carbon elements. The non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, boron-doped graphene, nitrogen-doped graphene, chemically functionalized graphene, and combinations. The phosphorus material is in amount from 20-99 wt.% based on the total weight of said solid graphene foam and phosphorus material combined and phosphorus material has diameter or thickness from 0.5 nanometer-10 micrometer and selected from red phosphorus, black phosphorus, violet phosphorus, metal phosphide, MPy, or combination, M is equal to Mn, V, Sn, Ni, Cu, Fe, Co, Zn, Ge, Se, Mo, Ga, In, or alloy, y is 1-4. The some of the multiple pores are lodged with particles or coating of the phosphorus material. INDEPENDENT CLAIMS are included for the following: a lithium-ion battery or sodium-ion battery, which comprises anode or negative electrode layer, cathode or positive electrode, and electrolyte in ionic contact with anode and cathode;#a method for producing anode layer, which involves preparing graphene dispersion having multiple particles of phosphorus material and multiple sheets of starting graphene material and dispersing in liquid medium, starting graphene material is selected from pristine graphene or non-pristine graphene material selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, chemically functionalized graphene, or combination, dispersion contains optional blowing agent having blowing agent-to-graphene material weight ratio from 0/1.0-1.0/1.0, dispensing and depositing graphene dispersion onto surface of supporting substrate to form wet layer of graphene/phosphorus material mixture, subjecting graphene dispersion to orientation-inducing stress, partially or completely removing liquid medium from wet layer of graphene/phosphorus material to form dried layer of mixture material and heat treating the dried layer of mixture material at first heat treatment temperature selected from 50-1,500?oC at desired heating rate sufficient to induce volatile gas molecules from non-carbon elements or to activate said blowing agent for producing said anode layer;#a method for producing continuous-length sheet of the anode layer, which involves preparing graphene dispersion having graphene material and phosphorus material and dispersing in liquid medium, dispensing and depositing graphene dispersion onto surface of supporting substrate to form wet layer of graphene-phosphorus material mixture, supporting substrate is continuous thin film and supplying from feeder roller and collecting on a collector roller, removing said liquid medium from wet layer of graphene-phosphorus material mixture to form dried layer of mixture material and heat treating dried layer of mixture material at first heat treatment temperature selected from 50-1,500?oC at desired heating rate sufficient to activate blowing agent for producing anode layer.