<trans-title xml:lang="en">Research Progress on Proton-regulated Electrochemical Ionic Synapses</trans-title>

Xiaobo FAN; Mei ZU; Xiangfei YANG; Ce SONG; Chen CHEN; Zi WANG; Wenhua LUO; Haifeng CHENG

doi:10.15541/jim20240424

Journal of Inorganic Materials, Volume. 40, Issue 3, 256(2025)

Research Progress on Proton-regulated Electrochemical Ionic Synapses

Xiaobo FAN¹, Mei ZU^1、*, Xiangfei YANG², Ce SONG¹, Chen CHEN¹, Zi WANG³, Wenhua LUO², and Haifeng CHENG^1、*

Author Affiliations

¹1. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China

²2. Science and Technology on Surface Physics and Chemistry Laboratory, China Academy of Engineering Physics, Mianyang 621700, China

³3. Powder Metallurgy Research Institute, Central South University, Changsha 410083, China

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Figures & Tables(8)

1. Classification of channel materials and electrolyte materials for proton-regulated electrochemical ion synapses

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2. Device structure and operation principle of an electrochemical ionic synapse^[3]

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3. Researches on organic semiconductor channel materials^[10-11]

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4. Researches based on metal oxide channel materials^{[12,22,27,29]}

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5. Researches based on two-dimensional channel materials^{[13-14,34,40 -41]}

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6. Related researches on ionic liquid and ion gel electrolytes^{[28,46,49 -50]}

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7. Related researches on inorganic solid electrolytes^{[29-30,56⇓ -58]}

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Table 1. Comparison of performance of electrochemical ion synapses regulated by different ions^{[4,6,8 -9,11⇓⇓ -14]}

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Table 1. Comparison of performance of electrochemical ion synapses regulated by different ions^{[4,6,8 -9,11⇓⇓ -14]}

Action ion	Material (channel/electrolyte)	Dynamic range	Operation voltage/current (pulse width)	Energy consumption	Channel dimension	Ref.
Li⁺	Li_1-_xCoO₂/LiPON	4.5-270 μS	70 mV (2 s)	<10 aJ per write(projection)	L=2 μm	[4]
Li⁺	WO_2.7/Li₃PO₄	0.5-3.5 μS	+3 V (1 s)/-2 V (0.5 s)-2.5 V (1 s)/+1 V (0.5 s)	-	W=5 μmL=5 μm	[6]
O^2-	TiO_2-_x/YSZ (work at 160 ℃)	100-450 nS	±1.5 V (2 μs)	8.1 nJ/mm²	W=250 μmL=8000 μm	[8]
O^2-	WO₃/HfO₂	1.5-3.5 μS	±4 V (10 μs)	1 fJ/(nm²×nS)(projection)	W=20 μmL=80 μm	[9]
H⁺	P(g2T-TT)/EMIM:TFSI+PVDF-HFP	30-75 μS	±1 V (20 ns)	80 fJ per write	W=15 μmL=45 μm	[11]
	WO₃/PSG	87.6-4.28 MΩ	±10 V (5 ns)/-8.5 V (5 ns)	10 fJ per write	W=50 nmL=150 nm	[12]
	Graphene/Nafion	1.0-2.8 mS	±10 μA (1 ms)	50 aJ/μm²	W=4 mmL=3-5 mm	[13]
	Ti₃C₂T_x/PVA-H₂SO₄	1.6-2.8 mS	±1 V (4 μs)	80 fJ/μm²	W=1000 μmL=20 μm	[14]

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Xiaobo FAN, Mei ZU, Xiangfei YANG, Ce SONG, Chen CHEN, Zi WANG, Wenhua LUO, Haifeng CHENG. Research Progress on Proton-regulated Electrochemical Ionic Synapses[J]. Journal of Inorganic Materials, 2025, 40(3): 256

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Paper Information

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Received: Oct. 7, 2024

Accepted: --

Published Online: Apr. 24, 2025

The Author Email: Mei ZU (zumei2003@163.com), Haifeng CHENG (chenghf@nudt.edu.cn)

DOI:10.15541/jim20240424

Topics

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Table 1. Comparison of performance of electrochemical ion synapses regulated by different ions[4,6,8 -9,11⇓⇓ -14]

Table 1. Comparison of performance of electrochemical ion synapses regulated by different ions[4,6,8 -9,11⇓⇓ -14]

Table 1. Comparison of performance of electrochemical ion synapses regulated by different ions^{[4,6,8 -9,11⇓⇓ -14]}

Table 1. Comparison of performance of electrochemical ion synapses regulated by different ions^{[4,6,8 -9,11⇓⇓ -14]}