Gas Detection 9 Gas sensor specialists enjoy their journey to the top


DD-Scientifi c has announced the culmination of a truly extraordinary quarter and year end propelling them to the forefront of their industry. With a year-on-year double-digit growth rate and a slew of remarkable achievements, the company continues to set new standards for excellence.


DD-Scientifi c’s success story refl ects its unwavering commitment to total customer satisfaction. Based within their production facility, a dedicated team manages all aspects of the customer experience, from providing technical support and advice to seamless order entry, delivery, and invoicing. This commitment has been instrumental in creating, building and maintaining lasting relationships with customers. Their commitment and passion to deliver the best-in-class customer experience is equally matched by their commitment to growth. This has been demonstrated by the creation of the purpose-built Oxygen Centre of Excellence, expanding its ability to accommodate new technologies, enhance production capabilities and meet the ever-growing demand for their oxygen sensors and freeing capacity to increase production of their toxic sensors.


DD-Scientifi c has expanded its customer base signifi cantly during the year. With their focus on delivering cutting-edge, reliable, stable and competitive solutions they have attracted new customers from diverse industries who are now benefi tting from the latest advancements in electrochemical sensor technology. This remarkable progress again demonstrates that providing unwavering commitment to innovation, quality, and customer satisfaction sets them apart and above their industrial peers within the global sensor marketplace.


The marketing team at DD-Scientifi c has also made remarkable strides, tripling the company’s online followers and generating engagement, with their innovative and captivating campaigns which have resonated with a broad audience, cementing DD-Scientifi c’s position as a thought leader in the electrochemical sensor industry. Trade shows have returned and again DD-Scientifi c is leading the way with eye-catching and innovative stands resulting in meaningful and engaging interaction with visitors and generating further interest in the DD Scientifi c portfolio and capabilities.


DD-Scientifi c was thrilled to announce the recent promotion of Martin Kelly as the Director of Research and Development. With more than 30 years of experience, Martin has played a pivotal role in spearheading the development of new electrochemical sensors, driving the company’s innovation agenda, and solidifying its reputation as a technological powerhouse. DD-Scientifi c’s record-breaking year is a testament to their relentless pursuit of excellence and innovation in the electrochemical sensor industry. With a growing customer base, expanding facilities, and a talented team, the company is poised for even greater success in the future.


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Li-ion battery risks reduced by VOC sensors


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Photoionisation detection (PID) sensors are able to detect potential problems before they occur in the manufacture and use of lithium-ion (Li-ion) batteries, and the enormous variety of devices that use rechargeable batteries.


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The safe utilisation of Li-ion batteries is a key concern for the developers of equipment such as electric vehicles, e-bikes, mobile phones and laptops. The risks posed by Li-ion batteries have been highlighted by a number of high-profi le incidents. In 2006 and 2007, for example, millions of laptops and mobile phones were recalled due to safety fears relating to their Li-ion batteries, and in 2013, a Boeing 787 was grounded following electrical issues with the Li-ion battery in the aircraft’s auxiliary power unit.


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Table 1: Evaluation of chemicals used in lithium-ion batteries.


Famously, in 2016, around 2.5 million mobile phones had to be recalled after complaints of overheating and exploding batteries. Extensive investigations revealed insuffi cient insulation material within the batteries and a design that did not provide suffi cient space to safely accommodate the batteries’ electrodes, resulting in thermal runaway, which occurs when temperatures are raised by thermal or mechanical failure, short circuiting, or electrical abuse. In more recent news, there has been a 60% increase in e-bike fi res in London in 2023 compared to 2022, and this number will continue to rise. As a result of the magnitude of this problem, and the global publicity which ensues, demand is growing for sensing technology that can detect faulty Li-ion batteries, during both production and operation.


The main safety hazards associated with failing Li-ion batteries are the ignition of the battery cell and/or the emissions of toxic gases. These gases include volatile organic compounds (VOCs), meaning sensitive VOC sensors can be used to check the condition of these batteries – either within portable detectors or in process/plant monitoring equipment.


The anode in rechargeable Li-ion batteries is typically graphite, the cathode is a metal oxide, and the electrolyte is usually a lithium salt in a (fl ammable) organic solvent. This electrolyte includes compounds such as ethyl methyl carbonate (EMC) which is known to be among the gases emitted by a faulty Li-ion battery. Conveniently, EMC can be detected by ION Science’s PID, so the developers of monitoring systems and equipment are able to design technologies that utilise ION’s MiniPID sensors.


The Response Factors for VOCs commonly used in Li-ion battery electrolytes are presented in Table 1: Evaluation of chemicals used in lithium- ion batteries.


Due to their specifi city, PID sensors are the most commonly employed technology for the detection of VOCs, and ION’s MiniPID range includes the most sensitive PID sensor in the world, which makes it ideal for the detection of trace leaks from faulty Li-ion batteries.


Summarising, Peter Morris from ION Science says: “Prospective customers for our PID sensors in Li-ion battery applications include the developers of portable instruments, as well as the designers of monitoring systems for processes within battery manufacturing, as well as in the manufacture of EVs, e-bikes, laptops, tablets, phones and many others.”


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