System-On-Mud: Ultra-Low Power Oceanic Sensing Platform Powered by Small-Scale Benthic Microbial Fuel Cells

被引：27

作者：

Lee, Inhee ^{[1
]}

Kim, Gyouho ^{[1
]}

Bang, Suyoung ^{[1
]}

Wolfe, Adriane ^{[2
]}

Bell, Richard ^{[2
]}

Jeong, Seokhyeon ^{[1
]}

Kim, Yejoong ^{[1
]}

Kagan, Jeffrey ^{[2
]}

Arias-Thode, Meriah ^{[2
]}

Chadwick, Bart ^{[2
]}

Sylvester, Dennis ^{[1
]}

Blaauw, David ^{[1
]}

Lee, Yoonmyung ^{[3
]}

机构：

[1] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

[2] Space & Naval Warfare Syst Ctr, San Diego, CA 92152 USA

[3] Sungkyunkwan Univ, Dept Semicond Syst Engn, Suwon 440746, South Korea

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2015年 / 62卷 / 04期

关键词：

Capacitive power management; energy harvesting; MFCs; microbial fuel cells; oceanic system; sensor node; switched-capacitor DC/DC converter; HARVESTING ENERGY; CIRCUIT;

D O I：

10.1109/TCSI.2015.2390559

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A self-sustainable sensing platform powered entirely by small-scale benthic microbial fuel cells (MFCs) for oceanic sensing applications is presented. An ultra-low power chip featuring an ARM Cortex-M0 processor, 3 kB of SRAM, and power management unit (PMU) is designed to consume 11 nW in sleep mode for perpetual sensing operation. The PMU includes a switched-capacitor DC/ DC converter designed for efficient energy harvesting and step-down conversion for a wide range of input and output power. A small-scale MFC with 21.3 cm(2) anode surface area was connected to the PMU to charge a thin-film battery of 1 mAh capacity. A 49.3-hour long-term experiment with 8-min sleep interval and 1-s wake-up time demonstrated the sustainability of system-on-mud concept. During sleep mode operation, the system charges the 4 V battery at 380 nA from the micro-MFC generating 5.4 mu w of power, which allows up to 20 mA of active mode current with net energy neutrality.

引用

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页码：1126 / 1135

页数：10

共 6 条

[1] Chip-On-Mud: Ultra-Low Power ARM-Based Oceanic Sensing System Powered by Small-Scale Benthic Microbial Fuel Cells
Kim, Gyouho
Wolfe, Adriane
Bell, Richard
Bang, Suyoung
Lee, Yoonmyung
Lee, Inhee
Kim, Yejoong
Hsu, Lewis
Kagan, Jeffrey
Arias-Thode, Meriah
Chadwick, Bart
Sylvester, Dennis
Blaauw, David
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