INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2026
·
IF 3.9
Weijun Tuo,Shangquan Zhao,Kangzhe Yu,Sheng Wang,Lei Su,Zhan Wang,Jie Liu,Zhihan Liu,Hao Tang,Bingbing Tian
All-solid-state lithium batteries (ASSLBs) are promising next-generation energy storage systems due to their superior safety. While low-cost Li2ZrCl6 is a candidate halide solid electrolyte, its ionic conductivity remains modest (0.33 mS cm–1). Herein, we report a highly conductive amorphous halide solid electrolyte (1.64 mS cm–1), synthesized using high-energy Li2CO3 as a precursor to replace conventional Li2O. This approach enhances reaction efficiency and reduces cost. The resulting Li2ZrOCl4 (LZOC) structure facilitates Li+ migration, as confirmed by experimental and theoretical results. ASSLBs incorporating the LZOC electrolyte with a Li–In anode and uncoated LiCoO2 (LCO) cathode demonstrate excellent cycling stability (97% capacity retention after 200 cycles at 1 C) and high-rate capability (over 70 mAh g–1 at 2 C). This work establishes the use of low-cost Li2CO3 as a practical strategy for developing high-performance, cost-effective ASSLBs.
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高影响因子
Nano Energy
·
2020
·
IF 16.602
Hanyu Huo,Xiaona Li,Yipeng Sun,Xiaoting Lin,Kieran Doyle-Davis,Jianwen Liang,Xuejie Gao,Ruying Li,Huan Huang,Xiangxin Guo,Xueliang Sun
Garnet particles are usually introduced into polymer matrices as fillers to fabricate polymer/garnet composite electrolytes (PGEs), which can not only improve the ionic conductivity but also enhance the mechanical strength to suppress Li dendrites. However, the surface Li 2 CO 3 contamination of garnet particles through air exposure has long been overlooked when fabricating the PGEs. Considering the ultralow ionic conductivity and low oxidation voltage of Li 2 CO 3 , the effects of Li 2 CO 3 should be taken into consideration. Herein, the PGEs with Li 2 CO 3 -containing and Li 2 CO 3 -free garnet particles are fabricated from “garnet-in-polymer” (GIP) to “polymer-in-garnet” (PIG) electrolyte compositions. The results indicate that Li + can be transported faster along the polymer/garnet interface in the Li 2 CO 3 -free GIP electrolytes, while Li + migration through the garnet bulk can be improved in the Li 2 CO 3 -free PIG electrolytes. The Lewis acid-base interactions between garnet and polymer are enhanced due to the Li 2 CO 3 removal, thus increasing the Li + transference number. Furthermore, cathode-supported solid-state batteries with vertically aligned LiFePO 4 cathodes and Li 2 CO 3 -free PIG electrolytes are constructed, which show excellent rate and cycle performance. This work provides new insights into PGEs and the effects of Li 2 CO 3 , which can guide the improved design of PGEs for dendrite-free solid garnet batteries.
研究领域:
材料科学
·
电化学
·
储能
·
固态电池
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DOI
高影响因子
Nano-Micro Letters
·
2025
·Vol. 17
·期 1
·1-15
·
IF 36.3
Zhang Xian,Liu Fangzhou,Guan Yan,Zou Yu,Wu Cuncun,Shi Dongchang,Zhang Hongkai,Yu Wenjin,Zou Dechun,Zhang Yangyang,Xiao Lixin,Zheng Shijian
Li 2 CO 3 is used to modify conformal SnO 2 as electron transport layer for hole transport layer-free carbon-based perovskite solar cells (C-PSCs).
CO 3 2− can induce MA release from the perovskite layer, resulting in PbI 2 at the grain boundary of top interface of perovskite film which can passivate the grain boundary and the top surface defects.
The Li 2 CO 3 -modified C-PSC exhibits a high power conversion efficiency (PCE) of 19.1%, with a V oc of 1.142 V. A record-high PCE of 33.2% is obtained under weak light-emitting diode illumination (2000 lx, 3000 K).
研究领域:
材料科学
·
光伏技术
·
能源工程
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DOI
PubMed
高影响因子
Particuology
·
2024
·
IF 4.1
Ming Zhou
This work investigates the flow and agglomeration behaviors of battery grade Li 2 CO 3 powder and the influence of stearic acid surface modification. The degree of agglomeration is directly related to the uniformity of Li 2 CO 3 and its powder mixtures. According to the Chinese National Nonferrous Metal Industry Standard, battery grade Li 2 CO 3 powder has D 50 equal to 3–8 μm which belongs to a micron-sized superfine powder. Therefore, with the extension of storage time, the serious agglomeration phenomenon occurs due to the large specific surface area and rough and irregular powder particles. The Hausner ratio (HR) of the unmodified sample increases from 1.14 to 1.41, and the corresponding flowability is classified as good to poor. Instead, among samples with doping stearic acid, the optimum amount of it is 0.10 wt% which exhibits an extremely stable HR value from 1.14 to 1.16. Meanwhile, after 156 days, the repose angle (AR) obtained for samples without surface modification and using 0.10 wt% stearic acid are calculated to be 49° and 28°, respectively. Based on the values of HR and AR, the flowability of the unmodified sample is poor while the sample modified with 0.10 wt% of stearic acid still maintain excellent powder flow property. Moreover, The LiMn 2 O 4 cathode material synthesized from modified Li 2 CO 3 powder with a stearic acid content of 0.10 wt% exhibits good crystallinity and comparable electrochemical performance to that prepared by commercial Li 2 CO 3 . These results indicate that stearic acid has the potential to be an ideal modifier for battery grade Li 2 CO 3 powder that needs to be kept for a long time.
研究领域:
材料科学
·
电化学
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DOI
高影响因子
SOLAR ENERGY MATERIALS AND SOLAR CELLS
·
2025
·
IF 6.3
J. Dong,C.Y. Zhao
Molten carbonates are among the ideal candidate materials for high-temperature thermal energy storage, but with high corrosiveness. In this study, a novel corrosion mitigation strategy, termed Air-then-Argon (AA) treatment, is proposed. This study investigates the corrosion behavior of three alloys (SS310, In625, and In601) in Li 2 CO 3 -K 2 CO 3 (28.5–71.5 wt%) carbonate melt under different gas conditions. The effect of the AA condition on the corrosion behavior of the immersed alloys was tested and compared with alloys directly immersed under argon (Ar) and air. Via weight loss method, it was shown that SS310 exhibited very low corrosion rates under both conditions, with slightly better performance under the Ar condition. In contrast, In625 showed much higher weight loss (146.6 ± 26.8 mg/cm 2 , for 200h) under argon compared to the AA condition. Under the AA condition, SS310 exhibited 84.8 % less weight loss than in air, while In625 had 90.1 % reduction compared to Ar atmosphere. For In601, the weight loss under Ar was the smallest among the samples tested. The microstructure and elemental distribution of the corrosion layers were analyzed with thermodynamic calculations of metal oxidation. The study summarizes the corrosion mechanisms of alloys in different gas environments and it reveals that the abnormal weight loss of In625 under inert conditions is mainly due to the oxidation and dissolution of Mo and Nb, which disrupted the protective LiCrO 2 layer. SS310 and In625 were tested under the AA condition in more challenging 700 °C carbonate melt. Weight loss data after 500 h confirmed effective corrosion mitigation. The corrosion bilayers formed on alloys exposed to carbonate melt in air exhibited excellent corrosion resistance when subsequently in argon, suggesting that controlling the gas environment could be an economical and effective method for mitigating carbonate corrosion.
研究领域:
材料科学
·
化学工程
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高影响因子
International Journal of Electrochemical Science
·
2023
·Vol. 14
·期 10
·9695-9703
·
IF 1.5
Weijie Lan,Dongliang Lu,Ruirui Zhao,Hongyu Chen
Al2O3 crucible is commonly used during the sintering process of Li7La3Zr2O12 pellets, which always introduces unintentional Al-containing impurities to the final product. Rare investigations are focused on the mechanism of this crucible contamination up to now. Based on the study in this work, it is found that the extra Li2CO3 in the Li7La3Zr2O12 powder is a crucial factor in forming this kind of Al-containing impurities in the obtained pellets. The pyrolytic Li2O from Li2CO3 will react with Al2O3 at high temperature, forming liquid Li-Al-O eutectic and further promoting the dissolution of aluminum oxide crucible. Besides, the extra Li2CO3 can also affect the compactness and the distribution of Al element in the pellets, resulting in crystal structure transformation.
研究领域:
材料科学
·
固态化学
·
能源材料
·
陶瓷
·
电化学
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DOI
高影响因子
ELECTROCHEMISTRY
·
2022
·Vol. 90
·期 10
·107004-107004
·
IF 1.777
Gong CHEN,Dingwei MIN,Yipeng HUANG
As a way to explore methods to capture and transform CO2 into useful carbon materials, the electrochemical mechanism of carbonate ion reduction in molten Li2CO3–K2CO3 eutectic mixtures is studied by cyclic voltammetry, chronopotentiometry, and chronocoulometry. Evidence indicates CO32− to undergo reduction to produce solid carbon before the alkali metal ions Li+ and K+. The electrode reactions consist of a diffusion-controlled, totally irreversible process comprising a one-step electron transfer. Notably, the described electrochemical process produces carbon sheets, submicron carbon tubes, or submicron carbon particles, depending on the applied cathodic overpotential. When O2− ions are released as part of the electrochemical reduction of CO32−, some of these ions immediately combine with Li+ to form insoluble Li2O, which are disadvantageous processes from the standpoint of CO2 capture in the cathodic region. Results suggest thus that a type of molten salt electrolyte in which alkali metal oxides are highly soluble should be employed for effective molten salt CO2 capture and electrochemical transformation.
研究领域:
材料科学
·
电化学工程
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DOI
高影响因子
Journal of Energy Storage
·
2024
·
IF 8.9
X.J. Xue,J. Dong,C.Y. Zhao
Molten carbonate salt is one of the promising candidates for high-temperature thermal energy storage tailored towards advanced pumped-thermal energy storage and next generation concentrated solar power technologies. However, severe corrosion of structural materials exposed to molten carbonate salts poses one of the most pivotal threats in terms of limiting their large-scale application at ever-escalating temperatures. Here, we elaborate the compatibility of three commercial austenitic stainless steels specifically SS310, SS316L and Incoloy 625 with Li 2 CO 3 -K 2 CO 3 (28–72 wt%) eutectic salt. The corrosion behavior and corrosion mechanism of Fe-Cr (SS316L), Fe-Cr-Ni (SS310) and nickel-based (In625) alloys at 600 °C in air were also investigated. It revealed that SS310 exhibited better corrosion resistance compared to SS316 and In625, with weight loss of 23.8 mg/cm 2 and corrosion rate of 522 μm/year after 500 h of exposure at 600 °C. This implies that higher Ni content of the alloy may not necessarily improve the corrosion resistance, it is associated with the basicity of the molten and the solubility of Ni salt in the melt. ICP analysis indicated that the salts exposed to SS310 and In625 at the same exposure time both had nearly 11 times more Ni than that exposed to SS316. Precisely, it is related to the behavior of the Cr-enriched zones formed in the corrosion layers of different alloys. The corrosion mechanism of SS310 specimens in molten carbonate can be generally divided into the following steps: (i) selective oxidation of the metal elements and lithiation reactions of the metal oxides to generate a passivation scale, (ii) an ever-growing middle transition scale consisted of mixed metal oxides and lithium-containing compounds, (iii) cracking and peeling off of the corrosion scale.
研究领域:
材料科学
·
能源工程
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DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2020
·
IF 10.652
Wang Chen,Xiaowei Li,Linlin Chen,Guolang Zhou,Qingqiang Lu,Yan Huang,Yanhong Chao,Wenshuai Zhu
Recovering Li + from the mother liquor obtained during the process of Li 2 CO 3 production has been considered as a promising solution to the shortage of lithium resources. However, as the mother liquor is a complex saline system with high concentration of Li + (1.42 g/L) and a large amount of Na + (55.62 g/L), there is no competent method to carry out for the effective utilization of Li + . This work reports a class of hydrophobic deep eutectic solvents (HDESs) formed by tetrabutylammonium chloride (TBAC) and oleic acid (OA), which is a novel co-extraction reagent for Li + extraction. In addition, tributyl phosphate (TBP) is used as extractant and ammonia is applied to regulate pH. TBAC/3OA showed the highest extraction efficiency in single extraction (76.8%) with the ammonia concentration, the volume ratio of organic phase and aqueous phase (O/A phase ratio), and volume fraction of HDES as 1.5 mol/L, 1, and 30%, respectively. Mechanism studies through the UV–vis and FT-IR proved that cation exchange between Li + and HDES, and Li + coordination was the dominant force in the separation process. The complexing ability of P = O in TBP led to the selective extraction of Li + . The reusability experiments of organic phase demonstrated that the extraction efficiency was still above 60% after five cycles, indicating the favorable stability of the extraction system. Finally, the separation factor ( β Li/Na ) of Li/Na in the mother liquor was 20.5, indicating that the TBP-HDES system has the capability to selectively extract Li + with high Na/Li ratio. This will help to design possible green HDES for lithium recovery.
研究领域:
化学工程
·
环境科学
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DOI
高影响因子
INORGANIC CHEMISTRY
·
2026
·Vol. 65
·期 31
·18304-18313
·
IF 4.6
Chen Yongying,Wei Mingkai,Shuang Xiaoyu,Cao Binyang,Li Xinyi,Liang Jiaying,Liu Haipeng,Hao Yanjun,Cong Yan,Zhang Xuejie,Lei Bingfu
The performance of near-infrared
phosphor-converted light-emitting
diodes (NIR pc-LEDs) is fundamentally limited by the phosphor, which
tends to form defects during high-temperature air synthesis, and these
defects degrade their luminous efficiency and thermal stability. Herein,
we report a Li 2 CO 3 -assisted solid-state strategy
that simultaneously enhances crystallinity and mitigates the undesired
oxidation of Cr 3+ to Cr 4+ in Al 5 BO 9 :Cr 3+ . This is related to the unique decomposition
chemical property of Li 2 CO 3 at high temperatures,
which creates favorable conditions for grain growth and the stabilization
of Cr 3+ . The optimized phosphor exhibits broadband NIR
emission spanning 650–900 nm under 400 nm excitation, with
the internal quantum efficiency significantly increased from 55.4%
to 80.5%. Meanwhile, the luminescence intensity retention at 423 K
rises from 75.3% to 81.9%. A prototype NIR pc-LED fabricated with
a 440 nm chip delivers an output power of 59.4 mW at a drive current
of 100 mA and a photoconversion efficiency of 21%. In cultivation
trials with butterhead lettuce, supplemental lighting from this NIR
pc-LED significantly promotes plant growth, increasing fresh weight
by 28.5% and dry weight by 18.9%. This work provides a practical and
effective flux-assisted approach for preparing high-performance Cr 3+ -doped NIR phosphors under ambient atmosphere.
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PubMed
高影响因子
ACS Applied Materials & Interfaces
·
2025
·
IF 8.2
Zhiheng Tang,Ying Zhou,Birong Luo,Dejun Li,Bo Zhang
Silicon monoxide (SiO) holds great potential as a next-generation anode material for commercial lithium-ion batteries due to its high theoretical specific capacity. However, poor cycling stability and low initial Coulombic efficiency (ICE) present substantial challenges for its practical application. Herein, we modified the structure of commercial SiO through ball milling, followed by heating with the addition of the network modifier Li2CO3. The submicrometer-sized SiO reduces Li+ diffusion pathways within the SiO bulk, facilitating the Li+ insertion/extraction process and enabling excellent rate performance. Controlling the size of silicon nanodomains within SiO enhances the structural stability of the material during cycling, thereby significantly improving its cycling stability. The increased crystallinity of SiO2 suppresses irreversible reactions, leading to a higher ICE. Moreover, Li+ ions trapped within the Si–O–Si network form a lithium silicate glass-like phase, which provides efficient pathways for Li+ diffusion within the material, thereby enhancing its electrochemical performance. The optimized submicrometer SiO was mixed with graphite and coated with carbon to produce a submicrometer SiO/graphite@carbon composite anode. When assembled into a half-cell, the composite anode exhibited an initial discharge specific capacity of 1277.0 mA h g–1 at 0.1 A g–1, with an ICE of 74.3%. And this anode demonstrated a capacity retention of 79.7% after 300 cycles at 0.5 A g–1. Furthermore, during rate capability testing, it achieved a discharge specific capacity of 428.9 mA h g–1 at 1.6 A g–1.
研究领域:
材料科学
·
电化学
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产品关联
DOI
PubMed
高影响因子
SOLAR ENERGY MATERIALS AND SOLAR CELLS
·
2022
·
IF 7.305
Zeyang Kang,Jimin Xu,Hui Liu,Yuwen Lin,Xiangyang Liu,Maogang He
Latent heat thermal energy storage based on solid-liquid phase change material has a huge potential in dealing with mismatch between energy demand and supply. LiF–LiCl–Li 2 CO 3 ternary system was screened out for high temperature energy storage material due to its good thermophysical properties . Its eutectic composition ( X LiF = 28.41 mol%, X LiCl = 55.09 mol% and X Li2CO3 = 16.50 mol%) was predicted based on the developed thermodynamic model and verified experimentally. The melting point, phase change latent heat, heat capacity, thernal diffusivity , thermal conductivity and thermal stability of LiF–LiCl–Li 2 CO 3 eutectic mixture were measured. And the influence of the addition of multi-walled carbon nanotubes (MWCNTs) were analyzed. It was found that adding MWCNTs could increase the latent heat, specific heat capacity , thermal diffusivity and thermal conductivity of LiF–LiCl–Li 2 CO 3 eutectic mixture, while didn't significantly change the melting temperature.
研究领域:
材料科学
·
热工学
·
储能技术
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DOI
高影响因子
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