Tsinghua University

Hon Hai Precision Industry Co., Ltd.

Shu-Yun Zhou

Shou-Shan Fan

Yang Wu

Ke-Nan Zhang

Ming-Zhe Yan

Jian Wu

Nian-Peng Lu

Pu Yu

A phase transformation electronic device comprises: a first conductive layer; a second conductive layer opposite to and spaced from the first conductive layer; a phase transformation material layer disposed between the first conductive layer and the second conductive layer, wherein the phase transformation material layer is formed by a hydrogen-containing transition metal oxide having a structural formula of ABOH, wherein A is one or more of alkaline earth metal elements and rare-earth metal elements, B is one or more of transition metal elements, x is a numeric value in a range of 1 to 3, and y is a numeric value in a range of 0 to 2.5; and an ionic liquid layer disposed between the phase transformation material layer and the first conductive layer, wherein the ionic liquid layer is capable of providing hydrogen ions and oxygen ions.

Phase transformation electronic device

A hydrogen-containing transition metal oxide is provided. The hydrogen-containing transition metal oxide has a structural formula of ABOH, wherein A is one or more of alkaline earth metal elements and rare-earth metal elements, B is one or more of transition metal elements, x is a numeric value in a range of 1 to 3, and y is a numeric value in a range of 0 to 2.5. The present disclosure further provides a primary battery by using the hydrogen-containing transition metal oxide as electrodes and a method for making the hydrogen-containing transition metal oxide.

Hydrogen-containing transition metal oxide, method for making the same, and primary battery

A solid-state fuel battery comprises an anode, a cathode spaced from the anode, and a solid-state electrolyte disposed between the anode and the cathode. A material of the solid-state electrolyte is a hydrogen-containing transition metal oxide having a structural formula of ABOH, wherein A is one or more of alkaline earth metal elements and rare-earth metal elements, B is one or more of transition metal elements, x is a numeric value in a range of 1 to 3, and y is a numeric value in a range of 0 to 2.5. A method for making the solid-state electrolyte for the solid-state fuel battery is further provided in the present disclosure.

Solid-state fuel battery and method for making solid-state electrolyte

The disclosure relates to a semimetal compound of Pt and a method for making the same. The semimetal compound is a single crystal material of PtSe. The method comprises: providing a PtSepolycrystalline material; placing the PtSepolycrystalline material in a reacting chamber; placing chemical transport medium in the reacting chamber; evacuating the reacting chamber to be vacuum less than 10 Pa; placing the reacting chamber at a temperature gradient, wherein the reacting chamber has a first end at a temperature of 1200 degrees Celsius to 1000 degrees Celsius and a second end opposite to the first end and at a temperature of 1000 degrees Celsius to 900 degrees Celsius; and keeping the reacting chamber in the temperature gradient for 10 days to 30 days.

Semimetal compound of Pt

A method for regulating a phase transformation of a hydrogen-containing transition metal oxide comprises steps of: providing a hydrogen-containing transition metal oxide having a structural formula of ABOH, wherein the hydrogen-containing transition metal oxide is in form of a first phase, A is one or more of alkaline earth metal elements and rare-earth metal elements, B is one or more of transition metal elements, x is a numeric value in a range of 1 to 3, and y is a numeric value in a range of 0 to 2.5; soaking the hydrogen-containing transition metal oxide with a first ionic liquid capable of providing hydrogen ions and oxygen ions; and applying a gating voltage to the hydrogen-containing transition metal oxide with the first ionic liquid as a gate to regulate the phase transformation of the hydrogen-containing transition metal oxide.

Method for regulating phase transformation of hydrogen-containing transition metal oxide

The disclosure relates to a method for making semimetal compound of Pt. The semimetal compound is a single crystal material of PtSe. The method comprises: placing pure Pt and pure Se in a reacting chamber as reacting materials; evacuating the reacting chamber to be vacuum less than 10 Pa; heating the reacting chamber to a first temperature of 600 degrees Celsius to 800 degrees Celsius and keeping for 24 hours to 100 hours; cooling the reacting chamber to a second temperature of 400 degrees Celsius to 500 degrees Celsius at a cooling rate of 1 degrees Celsius per hour to 10 degrees Celsius per hour and keeping for 24 hours to 100 hours to obtain a crystal material of PtSe; and separating the excessive reacting materials from the crystal material of PtSe.

Method for making semimetal compound of Pt

Semimetal compound of Pt and method for making the same

The disclosure relates to a method for making semimetal compound of Pt. The semimetal compound is a single crystal material of PtSe. The method comprises: placing pure Pt and pure Se in a reacting chamber as reacting materials; evacuating the reacting chamber to be vacuum less than 10 Pa; heating the reacting chamber to a first temperature of 600 degrees Celsius to 800 degrees Celsius and keeping for 24 hours to 100 hours; cooling the reacting chamber to a second temperature of 400 degrees Celsius to 500 degrees Celsius and keeping for 24 hours to 100 hours at a cooling rate of 1 degrees Celsius per hour to 10 degrees Celsius per hour to obtain a crystal material of PtSe; and separating the excessive reacting materials from the crystal material of PtSe.

The disclosure relates to a method for making semimetal compound of Pt. The semimetal compound is a single crystal material of PtTe. The method comprises: placing pure Pt and pure Te in a reacting chamber as reacting materials; evacuating the reacting chamber to be vacuum less than 10 Pa; heating the reacting chamber to a first temperature from 600 degree Celsius to 800 degree Celsius and keeping for 24 hours to 100 hours; cooling the reacting chamber to a second temperature from 400 degree Celsius to 500 degree Celsius and keeping for 24 hours to 100 hours at a cooling rate from 1 degree Celsius per hour to 10 degree Celsius per hour to obtain a crystal material of PtTe; and separating the excessive reacting materials from the crystal material of PtTe.

Method for making a semimetal compound of Pt by reacting elements Pt and Te

The disclosure relates to a semimetal compound of Pt and a method for making the same. The semimetal compound is a single crystal material of PtTe. The method comprises: providing a PtTepolycrystalline material; placing the PtTepolycrystalline material in a reacting chamber; placing chemical transport medium in the reacting chamber; evacuating the reacting chamber to be vacuum less than 10 Pa; placing the reacting chamber in a temperature gradient, wherein the reacting chamber has a first end in a temperature from 1200 degree Celsius to 1000 degree Celsius and a second end opposite to the first end and in a temperature from 1000 degree Celsius to 900 degree Celsius; and keeping the reacting chamber in the temperature gradient for 10 days to 30 days.

Growing community of inventors

Beijing, China

Shu-Yun Zhou