University of Houston System

The Trustees of Boston College

Massachusetts Institute of Technology

Other

The State University of New York

University of South Florida

U.S. Department of Energy

South China Normal University

Nanolab, Inc.

Gmz Energy, Inc.

Hourani Ip, LLC

Integrated Viral Protection Solutions, LLC

Zhifeng Ren

Gang Paul Chen

Michael J Naughton

Mildred S Dresselhaus

Shuo Chen

Krzysztof J Kempa

Jakub A Rybczynski

Qing Jie

Bed Poudel

Monzer A Hourani

Fang Yu

Luo Yu

Haiqing Zhou

Shankar Kumar

Tianyi Sun

Xiao Yan

Dan Luo

Dezhi Wang

Chuanfei Guo

Feng Wang

Debasish Banerjee

Dong Cai

Xiaoyuan Chen

Jian Guo Wen

Jian Yang

Yi Tu

Qian Zhang

Jinghua Chen

Wenzhong Wang

Zhongping Huang

Feng Cao

Bo Yu

Yucheng Lan

Qing Hao

Hangtian Zhu

Ran He

Giri Joshi

Boris Kozinsky

David L Carnahan

John T Fourkas

Yang Wang

Rudiger Schlaf

Li Shi

Yuehe Lin

Jiming Bao

Gang Chen

Daniel Kraemer

Xi Chen

Shana Kelley

Thomas Chiles

Jing Y Lao

Sean Sullivan

James Christopher Caylor

Jui H Wang

Qinyong Zhang

Shuai Yue

Wassana Yantasee

Huaizhou Zhao

Krysztof J Kempa

Michael Engber

Sung Ho Jo

Machhindra Koirala

Tej Pantha

Hohyun Lee

Martin Cleary

Guodong Liu

Fang Lu

Jianguo Wen

Siya Huang

Hengzhi Wang

Jing Shuai

Jungwoo Shin

Geethal Amila Udalamatta Gamage

Paudel Trilochan

Fei Tian

Zhongjia Tang

Bai Song

David Broido

Wei-Shu Liu

Hui Wang

Ke Chen

Jiehe Sui

Qinyu He

Jun Mao

Zhen Yang

Yi Ma

Xiaowei Wang

Navaneetha Krishnan Ravichandran

Joshi R Giri

Yuan Liu

Krzysztof Kempa

Weishu Liu

Hsien-Ping Feng

Yu Bo

Mildred Dresselhaus

New thermoelectric materials, such as MgBi-based Zintl phase compounds are described, where the semi-metallic MgBishow an unexpectedly large Seebeck coefficient at 350 K and enhanced thermoelectric performances.

N-type MgBi-based materials for thermoelectric cooling application

An apparatus used with supplied power for treating air in an environment and method of use. A housing is mobile in the environment and has an intake and an exhaust. At least one prime mover is disposed in the housing and is operable to move the air in the environment through the housing from the intake to the exhaust. At least one ultraviolet light source is disposed in the housing, is in electrical communication with the supplied power, and is configured to generate ultraviolet radiation in at least one a portion of the housing through which the moved air passes from the intake to the exhaust. At least one permeable barrier is disposed in the housing and is configured to impede the moved air flow therethrough up to an impedance threshold. The permeable barrier is in electrical communication to the supplied power and is heated to a surface temperature.

Mobile purification device having heated filter for killing biological species, including COVID-19

An apparatus is used with supplied power for treating air flow of an air handing system of a facility. A frame has a plenum with an inlet and an outlet. The frame is configured to position in the air flow of the air handing system for passage of the air flow therethrough. A filter is disposed in the plenum and is configured to filter the air flow therethrough up to a filtration threshold. An ultraviolet light source disposed in the plenum is connected in electrical communication with the supplied power and is configured to generate ultraviolet radiation in the plenum. A permeable metal barrier disposed in the plenum is configured to impede the air flow therethrough up to an impedance threshold. The barrier is connected in electrical communication to the supplied power and is heated to a surface temperature.

Purification device having heated filter for killing biological species, including COVID-19

Herein provided are cubic boron arsenide (c-BAs) single crystals having an unexpectedly high ambipolar mobility at room temperature, μ, at one or more locations thereof that is greater than or equal to 1500, 1600, 1700, 1800, 1900, 2000, 2100, 2200, 2300, 2400, 2500, 2600, 3000, 4000, 5000, 6000, 7000, 8000, 9000, or 10000 cmVs, wherein the ambipolar mobility is defined as: μ=2μμ/(μ+μ), wherein μis electron mobility and μis hole mobility, and having a room temperature thermal conductivity at the one or more locations thereof that is greater than or equal to 1000 WmK. Methods of making and using the c-BAs single crystals are also provided.

Ultra-high ambipolar mobility cubic boron arsenide

A detoxification device for removing pathogens from air within an environment. The detoxification device may include a filtration media for catching and retaining particles larger than about 0.3 micrometers (μm) with an efficiency of at least 99%. The detoxification device may also include a heating element having a metallic foam. The heating element may be heated upon application of an electrical current to the heating element. The heating element may, upon being heated, heat the filtration media to a target temperature that is effective to kill a pathogen.

Detoxification device having heated filter for killing pathogens

A method for growing bulk boron arsenide (BA) crystals, the method comprising utilizing a seeded chemical vapor transport (CVT) growth mechanism to produce single BAs crystals which are used for further CVT growth, wherein a sparsity of nucleation centers is controlled during the further CVT growth. Also disclosed are bulk BAs crystals produced via the method.

Unusual high thermal conductivity in boron arsenide bulk crystals

A stable water based nanofluid of graphene-based amphiphilic Janus nanosheets, where the nanofluid has a high salt-content while retaining the interfacial activities of the nanosheets. Such a nanofluid of amphiphilic Janus nanosheets may be used for enhanced oil recovery.

Method of preparing a stable nanofluid of amphiphilic Janus nanosheets in salt water

A method of thermoelectric power generation by converting heat to electricity via the use of a ZrCoBi-based thermoelectric material, wherein a thermoelectric conversion efficiency of the ZrCoBi-based thermoelectric material is greater than or equal to 7% at a temperature difference of up to 800 K.

ZrCoBi based half Heuslers with high thermoelectric conversion efficiency

A method of electrocatalytic water splitting by providing an anode and a cathode; and utilizing the anode and the cathode for alkaline water electrolysis. Each of the anode and the cathode comprises a uniform distribution of a bifunctional electrocatalyst comprising metallic phosphides on a conductive substrate. The metallic phosphides comprise arion phosphide (FeP) and dinickel phosphide (NiP). The bifunctional electrocatalyst promotes hydrogen evolution reaction (HER) at the cathode, and oxygen evolution reaction (OER) at the anode.

Bifunctional porous non-noble metal phosphide catalyst for overall water splitting and methods of making and using same

A cleaning composition is provided herein. The cleaning composition includes a plurality of metal particles and a base fluid. The plurality of metal particles have an average size in a range of from about 1 nanometer (nm) to about 10,000 micrometers (&#x3bc;m), and are dispersed in the base fluid. The cleaning composition is configured to generate an exothermic reaction when contacted with one or more components on a surface and water to facilitate removal of the one or more components from the surface. Methods of making and utilizing the cleaning composition are also provided.

Nano-micro particle fluid for cleaning dirty and greasy surfaces and pipes

Systems and methods discussed herein relate to Zintl-type thermoelectric materials, including a p-type thermoelectric material according to the formula AMX, and includes at least one of calcium (Ca), europium (Eu), ytterbium (Yb), and strontium (Sr), and has a ZT of the above about 0.60 above 675K. The n-type thermoelectric component includes magnesium (Mg), tellurium (Te), antimony (Sb), and bismuth (Bi) according to the formula MgSbBiTethat has an average ZT above 0.8 from 400K to 800K. The p-type and n-type materials discussed herein may be used alone, in combination with other materials, or in combination with each other in various configurations.

Zintl compounds with high thermoelectric performance and methods of manufacture thereof

A method of forming a battery electrode by forming, on a first substrate, a polymer template comprising interconnected polymer fibers, forming, on the polymer template, a carbon coating to form a carbon-coated polymer template, removing the carbon-coated polymer template from the first substrate, subsequent to removing the carbon-coated polymer template from the first substrate, removing the polymer template from the carbon coating, and disposing the carbon coating on a second substrate. A solid electrolyte interphase layer (SEI) comprising the carbon coating produced via the method, a battery electrode comprising such an SEI layer, and a battery comprising such a battery electrode are also provided.

Semi-tubular carbon film for stable lithium metal anodes and methods of manufacture thereof

A detoxification device for removing pathogens from air within an environment. The detoxification device may include a filtration media for catching and retaining particles larger than about 0.3 micrometers (&#x3bc;m) with an efficiency of at least 99%. The detoxification device may also include a heating element having a metallic foam. The heating element may be heated upon application of an electrical current to the heating element. The heating element may, upon being heated, heat the filtration media to a target temperature that is effective to kill a pathogen.

A method of manufacturing a bifunctional electrocatalyst for overall water splitting comprising oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) by growing electrocatalyst comprising primarily metallic phosphides on a three-dimensional substrate by: immersing the substrate in an iron nitrate solution to form a once disposed substrate; subjecting the once disposed substrate to thermal phosphidation with phosphorus powder under inert gas to grow metal phosphides thereupon and form a once subjected substrate; cooling the once subjected substrate to form a cooled, once subjected substrate; immersing the cooled, once subjected substrate in an iron nitrate solution to form a twice disposed substrate; and subjecting the twice disposed substrate to thermal phosphidation with phosphorus powder under inert gas to provide an electrode comprising the bifunctional electrocatalyst on the three-dimensional substrate.

Methods for making bifunctional porous non-noble metal phosphide catalyst for overall water splitting, electrodes for overall water splitting, and methods for electrocatalytic water splitting

A ZrCoBi-based p-type half-Heusler material can have a formula: ZrCoBiSnSb, where x can vary between 0.01 and 0.25, and y can vary between 0 and 0.2. An average dimensionless figure-of-merit (ZT) for the material can be greater than or equal to about 0.80 as calculated by an integration method for temperatures between 300 and 973 K. A ZrCoBi-based n-type half-Heusler material can have a formula: ZrCoNiBiSb, where x can vary between 0.01 and 0.25, and y can vary between 0 and 0.3. The material has an average dimensionless figure-of-merit (ZT) is greater than or equal to about 0.65 as calculated by an integration method for temperatures between 300 and 973 K.

Growing community of inventors

Newton, MA, United States of America

Zhifeng Ren