Perovskite betavoltaic-photovoltaic battery

Patent metadata

Field	Value
Publication number	US-2023402201-A1
Application number	US-202318447310-A
Country	US
Kind code	A1
Filing date	Aug 10, 2023
Priority date	Dec 31, 2021
Publication date	Dec 14, 2023
Grant date	—

Abstract

Provided are a perovskite betavoltaic-photovoltaic battery. The battery includes a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence. The first electrode is a transparent electrode. The first charge transport layer is an electron transport layer and the second charge transport layer is a hole transport layer, or, the first charge transport layer is a hole transport layer and the second charge transport layer is an electron transport layer. The perovskite layer is doped with a fluorescent substance. At least one of the first electrode, the first charge transport layer, the second charge transport layer, or the second electrode is radioactive. When the first electrode and/or the second electrode is radioactive, the first electrode and/or the second electrode is an irradiated electrode formed by compounding a radioactive source and a conductor material.

First claim

1 . A perovskite betavoltaic-photovoltaic battery, characterized in that
the battery comprises a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence, wherein the first electrode is a transparent electrode; the first charge transport layer is an electron transport layer and the second charge transport layer is a hole transport layer, or, the first charge transport layer is a hole transport layer and the second charge transport layer is an electron transport layer; the perovskite layer is doped with a fluorescent substance; at least one of the first electrode, the first charge transport layer, the second charge transport layer, or the second electrode is radioactive; and when the first electrode and/or the second electrode is radioactive, the first electrode and/or the second electrode is an irradiated electrode formed by compounding a radioactive source and a conductor material; and, when the first charge transport layer and/or the second charge transport layer is radioactive, the first charge transport layer and/or the second charge transport layer is an irradiated semiconductor formed by compounding a radioactive source and a semiconductor material.

2 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
a mass percent of the fluorescent substance contained in the perovskite layer is 1 wt % to 30 wt %, and optionally 10 wt % to 15 wt %, of a total mass of the perovskite layer.

3 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
the fluorescent substance in the perovskite layer is at least one selected from riboflavin, fluorescein isothiocyanate, tetraethyl rhodamine, tetramethyl isothiocyanate rhodamine, phycoerythrin, an iridium complex, a rare earth element complex, a polyfluorene compound, a coumarin compound, a naphthalimide compound, a triacene compound or a higher-acene compound, a rhodamine compound, a fluorescein compound, a fluoroborodipyrrole compound, a resorufin compound, a pyrazoline compound, a triphenylamine compound, a carbazole compound, green fluorescent protein, a bimane fluorescent compound, a perovskite luminescent nanomaterial, a thermally activated delayed fluorescence (TADF) compound, a chelate of trivalent rare earth lanthanides, and any derivative or copolymer thereof, and is optionally tetraethylrhodamine or a chelate of trivalent rare earth lanthanides, wherein the chelate of trivalent rare earth lanthanides is optionally LaF3:Eu3+.

4 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
perovskite in the perovskite layer satisfies a chemical formula ABX 3 , wherein A is at least one selected from methylamine cation MA + , formamidinium cation FA + , and cesium cation Cs + ; B is at least one selected from lead cation Pb 2+ and tin cation Sn 2+ ; and X is at least one selected from halogen anion and COO − .

5 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
the radioactive source is at least one selected from an α-type radioactive source, a β-type radioactive source, an X-ray radioactive source, and a γ-ray radioactive source.

6 . The perovskite betavoltaic-photovoltaic battery according to claim 5 , characterized in that
the α-type radioactive source is at least one selected from 210 Po or a compound thereof, 228 Th or a compound thereof, 235 U or a compound thereof, 238 Pu or a compound thereof, 238 PuO 2 microspheres, 241 Am or a compound thereof, 242 Cm or a compound thereof, and 244 Cm or a compound thereof, and the β-type radioactive source is at least one selected from (C 4 H 3 3 H 5− ) n , 3 H 2 , Ti 3 H 4 , 14 C or a compound thereof, 35 S or a compound thereof, 63 Ni or a compound thereof, 90 Sr or a compound thereof, 90 Sr/ 90 Y, 99 Tc or a compound thereof, 106 Ru or a compound thereof, 137 Cs or a compound thereof, 144 Ce or a compound thereof, 147 Pm or a compound thereof, 151 Sm or a compound thereof, and 226 Ra or a compound thereof.

7 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
the radioactive source is at least one selected from Ti 3 H 4 , 63 Ni or a compound thereof, and 90 Sr/ 90 Y.

8 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
a mass percent of the radioactive source in the irradiated electrode and/or the irradiated semiconductor is 90 wt % or less, and optionally 5 wt % to 30 wt %.

9 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
the semiconductor material of the first charge transport layer and the second charge transport layer is at least one of the following materials or a derivative thereof: an imide compound; a quinone compound; fullerene or a derivative thereof, 2,2′,7,7′-tetrakis(N,N-p-methoxyanilino)-9,9′-spirobifluorene; methoxytriphenylamine-fluoroformamidine; poly(3,4-ethylenedioxythiophene): polystyrene sulfonic acid; poly-3-hexylthiophene; triptycene-cored triphenylamine; 3,4-ethylenedioxythiophene-methoxytriphenylamine; N-(4-aniline)carbazole-spirobifluorene; polythiophene; metal oxide of a metal element selected from Mg, Ni, Cd, Zn, In, Pb, Mo, W, Sb, Bi, Cu, Hg, Ti, Ag, Mn, Fe, V, Sn, Zr, Sr, Ga, and Cr; silicon oxide; strontium titanium oxide; calcium titanium oxide; lithium fluoride; calcium fluoride; and cuprous thiocyanate.

10 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
the conductor material of the first electrode and the second electrode is an organic conductive material, an inorganic conductive material, or a conductive material compounded of an organic conductive material and an inorganic conductive material; the organic conductive material is at least one selected from: a polymer of (3,4-ethylenedioxythiophene monomer); polythiophene; polyacetylene; polypyrrole; polyphenylene; polyphenylacetylene; polyaniline; epoxy resin; phenol-formaldehyde resin, and polypropylene; and the inorganic conductive material is at least one selected from a transparent conductive oxide, a metal, and a carbon derivative.

11 . The perovskite betavoltaic-photovoltaic battery according to claim 1 , characterized in that
a thickness of the first electrode is 50 nm to 1000 nm; and/or a thickness of the first charge transport layer is 10 nm to 1000 nm; and/or a thickness of the perovskite layer is 50 nm to 2000 nm; and/or a thickness of the second charge transport layer is 10 nm to 1000 nm; and/or a thickness of the second electrode is 10 nm to 500 nm.

12 . A method for manufacturing a perovskite betavoltaic-photovoltaic battery, wherein the perovskite betavoltaic-photovoltaic battery comprises a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence, and the manufacturing method comprises:
a step of forming the first charge transport layer on the first electrode; a step of forming the perovskite layer on the first charge transport layer; a step of forming the second charge transport layer on the perovskite layer; and a step of forming the second electrode on the second charge transport layer, wherein the first electrode is a transparent electrode; the first charge transport layer is an electron transport layer and the second charge transport layer is a hole transport layer, or, the first charge transport layer is a hole transport layer and the second charge transport layer is an electron transport layer; the perovskite layer is

Assignees

• Contemporary Amperex Technology Co Ltd

Inventors

• Chen Changsong
• Liang Weifeng
• Xiang Ling
• Tu Bao
• Guo Yongsheng
• Chen Guodong
• Ouyang Chuying

Classifications

• G21H1/06 Primary

  Cells wherein radiation is applied to the junction of different semiconductor materials · CPC title

• G21H1/12 Primary

  Cells using conversion of the radiation into light combined with subsequent photoelectric conversion into electric energy · CPC title

• Y02E10/549

  Organic PV cells · CPC title