Abstract: An electrode-less and membrane-less battery includes: a cathode current collector; an anode current collector; a liquid or solid polymerized catholyte including dissolved active ions in contact with the cathode; a liquid or solid polymerized anolyte including dissolved active ions in contact with the anode; and a ceramic or solid polymerized buffer including active and working ions disposed between the catholyte and the anolyte.

Abstract: A system for utilizing zinc oxide includes a first electrode comprising a zinc oxide reagent material, a current collector electrically connected to the zinc oxide reagent material, and a second electrode. The zinc oxide reagent material is capable of electrochemical intercalation and de-intercalation reactions with an electrolyte, and the zinc oxide reagent material comprises a zinc oxide intercalated with electrons. The current collector is configured to provide electrons and voltage control to the zinc oxide reagent material. The electrolyte in contact with the zinc oxide reagent material and is capable of executing intercalation reactions with the zinc oxide reagent material. The electronics are configured to control electrochemical voltage of the current collector and the zinc oxide reagent material, and the second electrode comprises a counter-electrode or a reference electrode electrically coupled to one or more electronics.

Abstract: A high voltage metal-free battery comprising a cathode comprising a cathode electroactive material, wherein the cathode electroactive material comprises at least one of an organic compound, an oxide, a hydroxide, an oxyhydroxide, a sulfide, and combinations thereof; an anode comprising an anode electroactive material, wherein the anode electroactive material comprises at least one of an organic compound, an oxide, a hydroxide, an oxyhydroxide, a sulfide, and combinations thereof; a catholyte in contact with the cathode, wherein the catholyte is not in contact with the anode; and an anolyte in contact with the anode, wherein the anolyte is not in contact with the cathode. The catholyte has a pH of less than 4, and the anolyte has a pH of greater than 10. The battery comprises a separator, wherein the separator has ion-selective properties.

Abstract: A triboelectric personal protective equipment (PPE) includes a first layer of a first triboelectric material; a second layer of a second triboelectric material; a circuit configured to store and transfer triboelectric charge generated from the first layer and the second layer; a third layer and a fourth layer connected to and powered by the circuit. The first triboelectric material and a second triboelectric material have a difference in triboelectric charge density (TECD) of at least 35 ?C/m2. The third layer and the fourth layer provide an electric field that is configured to electrify particles having a size of 10 nm to 10 ?m between the third layer and the fourth layer.

Abstract: A high voltage zinc (Zn)-anode battery comprising a cathode comprising a cathode electroactive material; an anode comprising a Zn electroactive material; a catholyte in contact with the cathode, wherein the catholyte is not in contact with the anode; an anolyte in contact with the anode, wherein the anolyte is not in contact with the cathode; and a separator disposed between the anolyte and the catholyte. The catholyte has a pH of less than 4, and the anolyte has a pH of greater than 10. The separator has ion-selective properties.

Abstract: A primary or rechargeable battery comprising a battery housing; a cathode comprising a cathode electroactive material a conductive carbon, and a binder; an anode comprising an anode electroactive material; an electrolyte; and a conductive interlayer; and wherein the cathode, the anode, the electrolyte, and the conductive interlayer are disposed within the battery housing. The cathode electroactive material comprises manganese dioxide, any polymorphs thereof, or combinations thereof. The cathode is configured to access 20-100% of 1st electron capacity of the cathode electroactive material. The conductive interlayer contacts the cathode. The conductive interlayer comprises (i) a binder and (ii) a conductive carbon, a metal hydroxide, a metal oxide, or combinations thereof.

Abstract: A dual electrolyte battery comprises a cathode, an anode, a catholyte in contact with the cathode, and an anolyte in contact with the anode. The catholyte comprises a first gelled electrolyte solution, and the anolyte comprises a second gelled electrolyte solution. A concentration of an electrolyte in the anolyte is higher than a concentration of the electrolyte in the catholyte.

Abstract: A battery comprises a housing, an electrolyte disposed in the housing, a cathode disposed in the housing, an anode disposed in the housing and comprising an anode material comprising: zinc or zinc oxide, an electrocoagulant material selected from the group consisting of: aluminum, iron, titanium, calcium, zirconium, a hydroxide thereof, a salt thereof, an oxide thereof, and a combination thereof, and a binder.

Abstract: A solid state high voltage battery includes a cathode; an anode; a catholyte solution in contact with the cathode; an anolyte solution in contact with the anode, and a separator disposed between the cathode and the anode. At least one of the catholyte or the anolyte is gelled, and at least one of the catholyte or the anolyte comprises an organic electrolyte, an ionic liquid electrolyte, or water in salt electrolyte.

Abstract: A battery includes a housing, an electrolyte disposed in the housing, an anode disposed in the housing, and an electrode disposed in the housing and comprising an electrode material comprising manganese dioxide, and a conductive carbon coated with a metallic layer. The use of the conductive carbon coated with the metallic layer can help to control the effects of other ions such as zincate on the manganese dioxide during discharge or cycling of the battery.

Abstract: A system and method for forming a metallic ion intercalated layered structure can include a housing, an electrolyte disposed in the housing, a counter-electrode disposed in the housing, and a working electrode disposed in the housing. The working electrode comprises a metallic support; and an electrode paste. The electrode paste can include an active material and a binder. The system can be used to form a layered structure having metallic ions from the metallic support intercalated into the layered structure based on cycling the working electrode.

Abstract: A method of operating a battery comprises discharging a cathode comprising manganese dioxide to within a 2nd electron capacity of the manganese dioxide at a C-rate of equal to or slower than C/10, recharging the battery, and cycling the battery during use a plurality of times. The cathode is in a battery, and the battery comprises the cathode, an anode, a separator disposed between the anode and the cathode, and an electrolyte. The cathode comprises the manganese dioxide and a conductive carbon. The anode comprises: a metal component and a conductive carbon. The metal component can be a metal, metal oxide, or metal hydroxide, and the metal of the metal component can be zinc, lithium, aluminum, magnesium, iron, cadmium and a combination thereof.

Abstract: A battery comprises an anode, a cathode, and a polymer electrolyte disposed between the anode and the cathode. The polymer electrolyte can include an inert hydrophilic polymer matrix impregnated with an aqueous electrolyte. The hydrophilic polymer matrix can include a polar vinyl monomer, an initiator, and a cross-linker. A gassing inhibitor can be included in the polymer electrolyte to help avoid issues with overcharging of the electrodes.

Abstract: A zinc electrode comprises an anode material, the anode material comprising: an electroactive material comprising at least one of zinc or a compound comprising zinc, a stabilizer additive comprising at least one of: bismuth, copper, indium, a compound comprising bismuth, a compound comprising copper, a compound comprising indium, or any combination thereof, a conductive additive, and a binder.

Abstract: A method of forming a layered manganese dioxide for use in a cathode of a battery comprises disposing a cathode into a housing of an electrochemical cell, disposing an anode into the housing, disposing a polymeric separator between the anode and the cathode such that the anode and the cathode are electrically separated, adding an alkaline electrolyte to the housing, cycling the electrochemical cell into the 2nd electron capacity of the manganese dioxide, and forming a layered manganese dioxide having a layered manganese dioxide structure with the one or more additives incorporated into the layered manganese dioxide structure. The cathode comprising a cathode material comprising: a manganese dioxide compound, one or more additives selected from the group consisting of bismuth, copper, tin, lead, silver, cobalt, nickel, magnesium, aluminum, potassium, lithium, calcium, gold, antimony, iron, zinc, and combinations thereof, and a conductive carbon.

Abstract: A battery comprises a housing, an electrolyte disposed in the housing, an anode disposed in the housing, a stabilized cathode disposed in the housing and comprising a cathode material. The cathode material comprises a composition selected from birnessite or layered-polymorph of manganese dioxide (?-MnO2), the composition being stabilized by bismuth and copper ions, a conductive carbon, and a binder. The anode can be at least 50% (m/m) lithium, magnesium, aluminum, or zinc.

Abstract: An electrode includes an electrode material, a polymer substrate, and a current collector. The electrode material comprises an electroactive material, and the electrode material forms an electrode material sheet. The electrode material sheet is disposed on the polymer substrate, and a current collector in electrical contact with the electrode material.

Abstract: A membraneless battery comprising a cathode comprising a cathode electroactive material; an anode comprising an anode electroactive material; a catholyte in contact with the cathode, wherein the catholyte is not in contact with the anode; an anolyte in contact with the anode, wherein the anolyte is not in contact with the cathode; and one or more buffer interlayers disposed between the anolyte and the catholyte. The catholyte has a pH of less than 4, and the anolyte has a pH of greater than 10. The one or more buffer interlayers regulate a pH in the battery. The anode electroactive material comprises a Zn electroactive material. At least one of the one or more buffer interlayers comprises a weak acid and its conjugate base; and/or at least one of the one or more buffer interlayers comprises a weak base and its conjugate acid.

Abstract: In some embodiments, a battery comprises an anode, a cathode, a separator disposed between the anode and the cathode, and an electrolyte in fluid communication with the anode, the cathode, and the separator. The anode can be a porous metallic zinc anode. The porous metallic zinc anode comprises pure zinc electrode, a substrate coated with zinc, a zinc substrate with a coating layer, or combinations thereof.

Abstract: An alkaline battery comprises an anode, a cathode, a separator disposed between the anode and the cathode, a barrier layer disposed between the anode and the cathode, and an electrolyte in fluid communication with the anode, the cathode, and the separator. The barrier layer is at least one of: an organic polymer film or a porous inorganic layer or combinations thereof.