Q1 Research Application · Frontier Focus

In situ reconstruction of vegetable sponge-like Bi2O3 for efficient CO2 electroreduction to formate

This Materials Chemistry Frontiers paper (2022) is indexed as a Xianghu equipment application case for XH-300UL-2+ and XH-300UL-2; key results include Formate Faradaic efficiency 85.3%, Formate Faradaic efficiency 93.7%, Formate Faradaic efficiency 94.9%, and Formate Faradaic efficiency 93.6%.

View DOI Back to Library Chinese Solution
Paper ID 462
Application Focus CO2
Key Result Formate Faradaic efficiency 85.3%
Core Condition Temperature 150 ℃ / 60 ℃ / 500 ℃
Paper ID
462
Journal
Materials Chemistry Frontiers
Impact Factor
8.683
CAS Zone
Zone 1
Year
2022
DOI
10.1039/D1QM01557E
Equipment Model
XH-300UL-2+ XH-300UL-2
Affiliations
East China University of Science and Technology; Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
Research Directions
CO2

Fact Snapshot

  • Paper: In situ reconstruction of vegetable sponge-like Bi2O3 for efficient CO2 electroreduction to formate
  • Equipment: XH-300UL-2+ and XH-300UL-2
  • Source: Materials Chemistry Frontiers, 2022
  • Research direction: CO2
  • Core conditions: Temperature 150 ℃ / 60 ℃ / 500 ℃, Microwave power 300 W, Ultrasonic power 500 W, and Time 10 min / 12 h / 30 min
  • Key results: Formate Faradaic efficiency 85.3%, Formate Faradaic efficiency 93.7%, Formate Faradaic efficiency 94.9%, and Formate Faradaic efficiency 93.6%

Research Abstract

In situ reconstruction of vegetable sponge-like Bi2O3 for efficient CO2 electroreduction to formate was published in Materials Chemistry Frontiers (2022) and is indexed as a Xianghu Q1 application case for XH-300UL-2+ and XH-300UL-2. The source record connects it with CO2. Core operating conditions include Temperature 150 ℃ / 60 ℃ / 500 ℃, Microwave power 300 W, Ultrasonic power 500 W, and Time 10 min / 12 h / 30 min. Key reported results include Formate Faradaic efficiency 85.3%, Formate Faradaic efficiency 93.7%, Formate Faradaic efficiency 94.9%, and Formate Faradaic efficiency 93.6%.

Research Background and Problem

The paper is positioned around CO2. The equipment record identifies XH-300UL-2+ and XH-300UL-2 as the Xianghu instrument context for this application case. The source affiliation record includes East China University of Science and Technology and Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China.

Equipment Use and Experimental Conditions

ItemParameter
Temperature150 ℃ / 60 ℃ / 500 ℃
Microwave power300 W
Ultrasonic power500 W
Time10 min / 12 h / 30 min

Key Result

Formate Faradaic efficiency 85.3%
Formate Faradaic efficiency 93.7%
Formate Faradaic efficiency 94.9%
Formate Faradaic efficiency 93.6%
MetricResult
Formate Faradaic efficiency85.3%
Formate Faradaic efficiency93.7%
Formate Faradaic efficiency94.9%
Formate Faradaic efficiency93.6%
Wide potential window93%

Evidence Details

Ultrasonic-method evidence

Ultrasonic-method evidence: source values include 300 W, 500 W, 10 min, 150 °C, 60 °C, 12 h, 500 °C, 1 h. Entities: VS-Bi2O3, B-Bi2O3.

Ultrasonic-method evidence

Ultrasonic-method evidence: source values include 11.5 mg, 1 mL, 30 min, 10 mL. Entities: VS-Bi2O3, XA-9.

Ultrasonic-method evidence

Ultrasonic-method evidence: source values include 489.8 mg, 505.0 mg, 50 mL. Entities: XH-300UL-2, VS-Bi2O3.

Source evidence

The maximum FE(HCOO−) of 94.9% appears at −1.12 V delivering a current density of 300 mA cm−2. The overall current density of 400 mA cm−2 is achieved at a potential of −1.29 V, in the meantime sustaining a high FE(HCOO−) of around 93.7%.

Abstract evidence

The catalyst delivers a 93.7% faradaic efficiency of formate at 400 mA cm−2 and shows stability for over 18 h at 100 mA cm−2.

Additional source evidence

Additional source evidence: source values include 93.6%, 93%, 94.9%. Entities: VS-Bi2O3.

Structured key result

Formate Faradaic efficiency: 85.3%

Mechanism / Method Highlights

  • Method context: Temperature 150 ℃ / 60 ℃ / 500 ℃, Microwave power 300 W, Ultrasonic power 500 W, and Time 10 min / 12 h / 30 min.
  • Ultrasonic-method evidence: source values include 300 W, 500 W, 10 min, 150 °C, 60 °C, 12 h, 500 °C, 1 h. Entities: VS-Bi2O3, B-Bi2O3
  • Ultrasonic-method evidence: source values include 11.5 mg, 1 mL, 30 min, 10 mL. Entities: VS-Bi2O3, XA-9
  • Ultrasonic-method evidence: source values include 489.8 mg, 505.0 mg, 50 mL. Entities: XH-300UL-2, VS-Bi2O3
  • Reported outcome: Formate Faradaic efficiency 85.3%, Formate Faradaic efficiency 93.7%, Formate Faradaic efficiency 94.9%, and Formate Faradaic efficiency 93.6%.

Application Value

  • Provides a peer-reviewed SoarNova / Xianghu Q1 application case for XH-300UL-2+ and XH-300UL-2.
  • Supports English discovery around CO2.
  • Preserves quantitative result evidence: Formate Faradaic efficiency 85.3%, Formate Faradaic efficiency 93.7%, Formate Faradaic efficiency 94.9%, and Formate Faradaic efficiency 93.6%.
  • Maintains source-level evidence details: Ultrasonic-method evidence: source values include 300 W, 500 W, 10 min, 150 °C, 60 °C, 12 h, 500 °C, 1 h. Entities: VS-Bi2O3, B-Bi2O3, Ultrasonic-method evidence: source values include 11.5 mg, 1 mL, 30 min, 10 mL. Entities: VS-Bi2O3, XA-9, Ultrasonic-method evidence: source values include 489.8 mg, 505.0 mg, 50 mL. Entities: XH-300UL-2, VS-Bi2O3, and Source evidence: The maximum FE(HCOO−) of 94.9% appears at −1.12 V delivering a current density of 300 mA cm−2. The overall current density of 400 mA cm−2 is achieved at a potential of −1.29 V, in the meantime sustaining a high FE(HCOO−) of around 93.7%.

Related Equipment

XH-300UP Computer-Controlled Microwave-Ultrasonic-UV Photocatalytic Synthesis System
XH-300UP Computer-Controlled Microwave-Ultrasonic-UV Photocatalytic Synthesis System

FAQ

Which Xianghu instrument is covered by this page?
The structured source records XH-300UL-2+ and XH-300UL-2 for this paper.
What is the main application direction?
The source tags this paper under CO2.
Which publication does this case come from?
It comes from Materials Chemistry Frontiers (2022), DOI 10.1039/D1QM01557E.
Citation
In situ reconstruction of vegetable sponge-like Bi2O3 for efficient CO2 electroreduction to formate
Materials Chemistry Frontiers, 2022
DOI: 10.1039/D1QM01557E