Lignin‐assisted alloying engineering of CoNiRu trimetallic nano‐catalyst for effective overall water splitting DOI Open Access

Dalang Chen,

Jianglin Liu,

Xueqing Qiu

et al.

AIChE Journal, Journal Year: 2023, Volume and Issue: 70(3)

Published: Dec. 3, 2023

Abstract The development of inexpensive and robust bifunctional electrocatalysts for hydrogen evolution reactions (HER) oxygen (OER) was crucial renewable energy systems. Herein, a novel strategy preparing CoNiRu alloy nano‐electrocatalyst capsulated by nitrogen‐doped biochar (CoNiRu@NLC) using carboxymethylated lignin macromolecules proposed. CoNiRu@NLC exhibited excellent HER OER performance, the overall water splitting voltage only 1.47 V at 10 mA/cm 2 with catalytic stability, which superior to noble metal catalysts Pt/C ‖ RuO . Theoretical calculations confirmed strong electron interaction between carbon layer, XPS patterns proved that electrons transfer from Ru CoNi, significantly boosted electrocatalytic activity. This study demonstrated importance lignin‐driven alloying on enhancing performance provided concept high‐efficiency high‐value utilization polyphenol biomass.

Language: Английский

Lignocellulosic Biomass‐Based Carbon Dots: Synthesis Processes, Properties, and Applications DOI Creative Commons
Jian Gan, Lizhen Chen, Zhijun Chen

et al.

Small, Journal Year: 2023, Volume and Issue: 19(48)

Published: Aug. 3, 2023

Carbon dots (CDs), a new type of carbon-based fluorescent nanomaterial, have attracted widespread attention because their numerous excellent properties. Lignocellulosic biomass is the most abundant renewable natural resource and possesses broad potential to manufacture different composite smart materials. Numerous studies explored using components (such as cellulose, hemicellulose, lignin) in lignocellulosic produce CDs. There are few papers systemically aiming review state-of-the-art works related biomass-derived In this review, significant advances synthesis processes, formation mechanisms, structural characteristics, optical properties, applications biomass-based CDs such cellulose-based CDs, hemicellulose-based lignin-based latest research reviewed. addition, future directions on improvement technology raw materials enhance properties proposed. This will serve road map for scientists engaged exploring more science fields achieve highest material performance goals

Language: Английский

Citations

79

Lignin‐Metal Supramolecular Framework Strategy of Self‐Healing Carbon‐Coated CoRu Alloy Nanocatalyst for Efficient Overall Water Splitting DOI
Xuliang Lin,

Dalang Chen,

Xueqing Qiu

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(32)

Published: June 19, 2024

Abstract Common precursors for carbon materials typically include petroleum‐based polymers or MOF materials. However, these often encounter challenges such as metal aggregation, high cost, and metals leaching. In this work, a novel of approach lignin‐metal supramolecular framework complex (MSF@Lignin) is introduced. These complexes are formed through oxidative ammonolysis lignin (OAL) to synthesize nitrogen‐doped carbon‐encapsulated CoRu nanocatalyst (CoRu@OALC) via in situ carbonization. CoRu@OALC exhibited exceptional performance both HER (90 mV) OER (200 at the current density 10 mA cm −2 , with an overall water splitting voltage 1.5 V outstanding stability under density. During pyrolysis process, became encapsulated by lignin‐derived carbon, occurring within temperature range 600–700 °C. catalytic active sites primarily located defects showcasing unique “self‐healing” phenomenon layer. Oxygen‐containing intermediates ( * OH, O, OOH) facilitated reconstruction on layer, while hydrogen‐containing H) contributed reappearance defect‐rich structure.

Language: Английский

Citations

38

Synthesis of highly dispersed carbon-encapsulated Ru–FeNi nanocatalysts by a lignin–metal supramolecular framework strategy for durable water-splitting electrocatalysis DOI

Jianglin Liu,

Xueqing Qiu, Shirong Sun

et al.

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(13), P. 8020 - 8029

Published: Jan. 1, 2024

The construction strategy of designable metal–polyphenol coordination polymers has the potential to be generally applicable produce a range interesting metal/carbon composite catalysts.

Language: Английский

Citations

33

Green fabrication of fabric by ethanol/water solvent-mediated self-assembly of homogeneous lignin for oil–water separation DOI
Xinlu Liu, Shuzhen Ni, Xiaoqian Chen

et al.

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(6), P. 3418 - 3428

Published: Jan. 1, 2024

This study reports a green method of grading and modifying formic acid lignin (FL), which was used to prepare stable hydrophobic coatings via the solvent/anti-solvent (ethanol/water) self-assembly method.

Language: Английский

Citations

20

Vertically Staggered Porous Ni2P/Fe2P Nanosheets with Trace Ru Doping as Bifunctional Electrocatalyst for Alkaline Seawater Splitting DOI
Xiaojing Li,

Tingting Wu,

Na Li

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(34)

Published: April 29, 2024

Abstract Designing a bifunctional electrocatalyst with high performance and low‐cost is of great significance to promote the large‐scale application water splitting. Herein, porous Ru‐Ni2P/Fe2P heterojunction nanosheets vertically staggered structure are rationally fabricated boost alkaline seawater splitting under large current densities. The catalyst exhibits remarkable activity in media, requiring only 274 331 mV at density 1000 mA cm −2 for hydrogen evolution reaction (HER) oxygen (OER), respectively. Additionally, NiFeOOH layer formed on surface proposed as active phase OER performance. Furthermore, an anion exchange membrane (AEM) electrolyzer assembled by excellent long‐term durability over 100 h, achieving 500 2.0 V 60 °C. Theoretical calculations reveal that Ni2P/Fe2P integration trace Ru leads balanced adsorption desorption properties. Moreover, sites confirmed, which Ni site favorable HER Fe conducive OER. This work provides insight into designing highly efficient cost‐effective overall

Language: Английский

Citations

19

Photoelectrocatalytic Pathway for the Preparation of Power‐Effective Aviation Fuel Precursors from Lignin DOI Open Access
Bowen Liu, Yi Qi, Xueqing Qiu

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

Abstract The conversion of lignin into aviation fuel offers a promising, energy‐efficient route for sustainable jet production. key to this transformation lies in the selective hydrogenation lignin's aromatic rings, deoxygenation its oxygen‐containing and phenolic hydroxyl groups, cleavage bonds between polycyclic hydrocarbons. Using phosphorus‐doped CoMn‐P catalyst, electrochemical lignin, assisted by light, can reduce energy consumption ≈20%, resulting significant yield hydrocarbons cycloalkanes. Phosphorus doping modulates catalyst's electronic structure, enhancing adsorption β─O─4 bonds, methoxy thereby enabling with low reaction barrier. This approach provides an innovative pathway directly converting hydrocarbon mixtures suitable fuel.

Language: Английский

Citations

8

Structure and Interface Engineering of Ultrahigh‐Rate 3D Bismuth Anodes for Sodium‐Ion Batteries DOI
Xiaoshan Zhang, Xueqing Qiu, Jinxin Lin

et al.

Small, Journal Year: 2023, Volume and Issue: 19(35)

Published: April 27, 2023

Sodium-ion batteries (SIBs) have attracted tremendous attention as promising low-cost energy storage devices in future grid-scale management applications. Bismuth is a anode for SIBs due to its high theoretical capacity (386 mAh g-1 ). Nevertheless, the huge volume variation of Bi during (de)sodiation processes can cause pulverization particulates and rupture solid electrolyte interphase (SEI), resulting quick decay. It demonstrated that rigid carbon framework robust SEI are two essentials stable anodes. A lignin-derived carbonlayer wrapped tightly around bismuth nanospheres provides conductive pathway, while delicate selection linear cyclic ether-based electrolytes enable films. These merits long-term cycling process LC-Bi anode. The composite delivers outstanding sodium-ion performance with an ultra-long cycle life 10 000 cycles at current density 5 excellent rate capability 94% retention ultrahigh 100 . Herein, underlying origins improvement elucidated, which rational design strategy anodes practical SIBs.

Language: Английский

Citations

40

Biomass valorization via electrocatalytic carbon–carbon bond cleavage DOI
Keping Wang, Zhanhu Guo, Min Zhou

et al.

Journal of Energy Chemistry, Journal Year: 2024, Volume and Issue: 91, P. 542 - 578

Published: Jan. 11, 2024

Language: Английский

Citations

17

Oxygen vacancies enhanced electrocatalytic water splitting of P-FeMoO4 initiated via phosphorus doping DOI
Weilu Zhang,

Qingcui Liu,

Wenhua Cheng

et al.

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 660, P. 114 - 123

Published: Jan. 13, 2024

Language: Английский

Citations

13

P‐doped RuSe2 on Porous N‐doped Carbon Matrix as Catalysts for Accelerated Sulfur Redox Reactions DOI Open Access
Bin Li, Peng Wang,

Jia Yuan

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(48)

Published: Aug. 28, 2024

Abstract Monocomponent catalysts exhibit the limited catalytic conversion of polysulfides due to their intrinsic electronic structure, but activity can be improved by introducing heteroatoms regulate its structure. However, rational selection principles doping elements remain unclear. Here, we are guided theoretical calculations select suitable based on balanced relationship between adsorption strength lithium (LiPSs) and sulfide. We apply screening method develop a new catalyst phosphorus doped RuSe 2 , manifesting further enhanced conductivity compared with original facilitating charge transfer modulating d‐band center thereby augmenting effectiveness in interacting LiPSs. Consequently, assembled cell exhibits an areal capacity 7.7 mAh cm −2 even under high sulfur loading 8.0 mg lean electrolyte condition (5.0 μL −1 ). This strategy offers robust solution for design advanced field lithium‐sulfur batteries potentially other domains as well.

Language: Английский

Citations

11