Equation of state of LiCoO<sub>2</sub> under 30 GPa pressure<xref rid="cpb_28_1_016402fn1" ref-type="fn">*</xref><fn id="cpb_28_1_016402fn1"><label>*</label><p>Project supported by the Program of Education Department of Sichuan Province of China (Grant No. 18ZB0506), the Project of Sichuan University of Arts and Science, China (Grant No. 2017KZ001Z), and Outstanding Talent Introduction Project of Henan Institute of Science and Technology, China (Grant No. 203010617011). This work was performed at 4W2 beamline of Beijing Synchrotron Radiation Facility (BSRF), which was supported by Chinese Academy of Sciences (Grant Nos. KJCX2-SWN03 and KJCX2-SW-N20).</p></fn>

Equation of state of LiCoO₂ under 30 GPa pressure**

Project supported by the Program of Education Department of Sichuan Province of China (Grant No. 18ZB0506), the Project of Sichuan University of Arts and Science, China (Grant No. 2017KZ001Z), and Outstanding Talent Introduction Project of Henan Institute of Science and Technology, China (Grant No. 203010617011). This work was performed at 4W2 beamline of Beijing Synchrotron Radiation Facility (BSRF), which was supported by Chinese Academy of Sciences (Grant Nos. KJCX2-SWN03 and KJCX2-SW-N20).

Hu Yong-Qing¹, Xiong Lun^{1, 2, †}, Liu Xing-Quan³, Zhao Hong-Yuan⁴, Liu Guang-Tao⁵, Bai Li-Gang⁶, Cui Wei-Ran⁶, Gong Yu⁶, Li Xiao-Dong⁶

The Li–O and Co–O bond lengths of LiCoO₂ as a function of pressure obtained by first-principles calculation. Inset is the x of O1 as a function of pressure.