Rb4Li2TiOGe4O12: a novel high-performance titanyl germanate anode for Li-ion batteries

Tang, Chuan Yi; Chang, Shoou-Jinn; Wu, Qian; Kang, Lei; Feng, Kai; Meng, Xianghe; Chu, Shengqi; Huang, Hongwei; Xia, Mingjun

doi:10.1039/d2ta09078c

J. Mater. Chem. A

2023

DOI: 10.1039/d2ta09078c

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Rb₄Li₂TiOGe₄O₁₂: a novel high-performance titanyl germanate anode for Li-ion batteries

Chuan Yi Tang

Shoou-Jinn Chang

Qian Wu

et al.

Abstract: The design of high-performance anode material is the key to improve the performance of lithium-ion batteries. Here, a new high-performance titanyl germanate anode, Rb4Li2TiOGe4O12 (RLTG), was investigated for lithium-ion storage...

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K₄Cd₃Ge₄O₁₃: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window

Wang,

Chai,

Jiao

et al. 2024

Inorg. Chem.

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Mid-infrared (IR) nonlinear optical (NLO) materials have generated extensive research interest because of their crucial role in laser technology applications. Here, we report the synthesis of a novel cadmium germanate NLO crystal, K 4 Cd 3 Ge 4 O 13 , using spontaneous crystallization. K 4 Cd 3 Ge 4 O 13 demonstrates a distinct three-dimensional structural framework characterized by twisted [Ge 4 O 13 ] and [Cd 3 O 10 ] clusters, composed of [GeO 4 ], [CdO 4 ], [CdO 5 ], and [CdO 6 ] basic building units, respectively, which represents an unprecedented structural feature. The title compound undergoes a desirable congruent melting behavior at about 727 °C. Notably, K 4 Cd 3 Ge 4 O 13 demonstrates a short UV cutoff edge at 261 nm, coupled with a wide energy gap of 4.4 eV, and maintains an extended IR transparency window at around 6.0 μm. More importantly, it demonstrates a strong second-harmonic generation activity comparable to that of KH 2 PO 4 (KDP) at 1064 nm. Theoretical analyses further elucidate that the remarkable optical performances of K 4 Cd 3 Ge 4 O 13 are predominantly attributed to the cooperative effects of Ge−O and Cd−O bond-based motifs. These desired characteristics underscore the potential of K 4 Cd 3 Ge 4 O 13 as a good candidate material for mid-IR NLO applications.

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K₄Cd₃Ge₄O₁₃: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window

Wang,

Chai,

Jiao

et al. 2024

Inorg. Chem.

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Rb₄Li₂TiOGe₄O₁₂: a novel high-performance titanyl germanate anode for Li-ion batteries

Abstract: The design of high-performance anode material is the key to improve the performance of lithium-ion batteries. Here, a new high-performance titanyl germanate anode, Rb4Li2TiOGe4O12 (RLTG), was investigated for lithium-ion storage...

Cited by 1 publication

References 30 publications

K₄Cd₃Ge₄O₁₃: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window

K₄Cd₃Ge₄O₁₃: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window

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Rb4Li2TiOGe4O12: a novel high-performance titanyl germanate anode for Li-ion batteries

Abstract: The design of high-performance anode material is the key to improve the performance of lithium-ion batteries. Here, a new high-performance titanyl germanate anode, Rb4Li2TiOGe4O12 (RLTG), was investigated for lithium-ion storage...

Cited by 1 publication

References 30 publications

K4Cd3Ge4O13: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window

K4Cd3Ge4O13: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window

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Product

Resources

About

Rb₄Li₂TiOGe₄O₁₂: a novel high-performance titanyl germanate anode for Li-ion batteries

K₄Cd₃Ge₄O₁₃: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window

K₄Cd₃Ge₄O₁₃: A Congruent-Melting Germanate Nonlinear Optical Crystal with a Moderate Second-Harmonic Generation Intensity and Broad Transparent Window