Timothy N. Lambert
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View article: pH-Regulated Acetate-Based Aqueous Electrolyte and Its Impact on Zinc Utilization for Zinc Metal Batteries
pH-Regulated Acetate-Based Aqueous Electrolyte and Its Impact on Zinc Utilization for Zinc Metal Batteries Open
Water-in-salt electrolytes (WiSE) have been successfully used to expand the operating potential of aqueous electrolytes for zinc metal batteries, increasing their energy density. Acetate-based concentrated electrolytes are low cost and saf…
View article: Performance of Low-Cost Energy Dense Mixed Material MnO2-Cu2O Cathodes for Commercially Scalable Aqueous Zinc Batteries
Performance of Low-Cost Energy Dense Mixed Material MnO2-Cu2O Cathodes for Commercially Scalable Aqueous Zinc Batteries Open
Zinc (Zn)-based batteries have attracted significant interest for applications ranging from electric bikes to grid storage because of its advantageous properties like high abundance, non-toxicity and low-cost. Zn offers a high theoretical …
View article: Optimization of Bi Additive Concentration and the Impact on the Performance of Secondary Zn/CuO Alkaline Batteries
Optimization of Bi Additive Concentration and the Impact on the Performance of Secondary Zn/CuO Alkaline Batteries Open
Secondary Zn-CuO batteries containing a Bi 2 O 3 additive represent a promising means of electrochemical energy storage using an aqueous chemistry and Earth abundant materials but have previously required large quantities of Bi to operate.…
View article: First-principles investigation of high capacity, rechargeable CF<sub><i>x</i></sub> cathode batteries based on graphdiyne and “holey” graphene carbon allotropes
First-principles investigation of high capacity, rechargeable CF<sub><i>x</i></sub> cathode batteries based on graphdiyne and “holey” graphene carbon allotropes Open
Batteries composed of CF x cathodes which have large holes within the structure, such as graphdiyne, may enable high theoretical capacity (>860 mA h g −1 ) and recharge capability which previous allotropes have not achieved.
View article: Influence of Defects and Surfaces on the Electrochemical Performance of MnO<sub>2</sub> Cathodes in Rechargeable Alkaline Zn/MnO<sub>2</sub> Batteries: A First-Principles Study
Influence of Defects and Surfaces on the Electrochemical Performance of MnO<sub>2</sub> Cathodes in Rechargeable Alkaline Zn/MnO<sub>2</sub> Batteries: A First-Principles Study Open
Manganese dioxide is a promising cathode material for energy storage applications because of its high redox potential, large theoretical energy density, abundance, and low cost. It has been shown that the performance of MnO2 electrodes in …
View article: Use of Hydrogel Electrolyte in Zn-MnO2 Rechargeable Batteries: Characterization of Safety, Performance, and Cu2+ Ion Diffusion
Use of Hydrogel Electrolyte in Zn-MnO2 Rechargeable Batteries: Characterization of Safety, Performance, and Cu2+ Ion Diffusion Open
Achieving commercially acceptable Zn-MnO2 rechargeable batteries depends on the reversibility of active zinc and manganese materials, and avoiding side reactions during the second electron reaction of MnO2. Typically, liquid electrolytes s…
View article: The thermal instability of hydrogen-substituted graphdiyne and its role in lithium–sulfur batteries
The thermal instability of hydrogen-substituted graphdiyne and its role in lithium–sulfur batteries Open
This study reveals the role of thermal instability in hydrogen-substituted graphdiyne (HsGDY) and its impact on lithium–sulfur (Li–S) battery performance.
View article: Performance and failure mechanisms of alkaline zinc anodes with addition of calcium zincate (Ca[Zn(OH)<sub>3</sub>]<sub>2</sub>·2H<sub>2</sub>O) under industrially relevant conditions
Performance and failure mechanisms of alkaline zinc anodes with addition of calcium zincate (Ca[Zn(OH)<sub>3</sub>]<sub>2</sub>·2H<sub>2</sub>O) under industrially relevant conditions Open
Various zinc anodes with increasing calcium zincate (0%, 30%, 70%, 100%) were cycled at 50% theoretical Zn utilization to investigate cycle life and estimated cost. Failure mechanisms of majority 70% Zn/30% CaZn anodes are compared with pu…
View article: Fabrication of multilayered carbon MEMS devices
Fabrication of multilayered carbon MEMS devices Open
The various technologies presented herein relate to formation of carbon micromechanical systems (CMEMS), wherein the CMEMS comprise multiple layers of carbon structures and are formed using a plurality of photoresist precursors that are pr…
View article: Electrochemical cell structure including an ionomeric barrier
Electrochemical cell structure including an ionomeric barrier Open
An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous alloy, such as…
View article: Electrochemical cell having a vanadium phosphorous alloy electrode
Electrochemical cell having a vanadium phosphorous alloy electrode Open
An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous. The electroch…
View article: Conductive polymer layers to limit transfer of fuel reactants to catalysts of fuel cells to reduce reactant crossover
Conductive polymer layers to limit transfer of fuel reactants to catalysts of fuel cells to reduce reactant crossover Open
An apparatus of an aspect includes a fuel cell catalyst layer. The fuel cell catalyst layer is operable to catalyze a reaction involving a fuel reactant. A fuel cell gas diffusion layer is coupled with the fuel cell catalyst layer. The fue…
View article: Graphene heat dissipating structure
Graphene heat dissipating structure Open
Various technologies presented herein relate to forming one or more heat dissipating structures (e.g., heat spreaders and/or heat sinks) on a substrate, wherein the substrate forms part of an electronic component. The heat dissipating stru…