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Keynote Session: Energy Harvesting is Changing the Battery Landscape from Consumer to 5G
When one thinks of things that will impact battery markets, energy harvesting is not typically the first thing that comes to mind. That may have been true in the past, but will change moving forward. Nearly all applications in the world of electronics are limited by an available amount of energy, which makes batteries (or energy storage in one form or another) a critical, yet limiting, system component that is an inconvenient necessity. With this in‐mind, anything that can mitigate storage should have a widespread impact to the entire battery‐based ecology. The emergence of the energy harvesting ecosystem is a fascinating and growing area that yearns to free devices of their batteries and power cords from the smallest IoT device up to large‐scale systems such as a 5G cellular network. Most folks tend to dismiss the many forms of energy harvesting as either a lab experiment and/or something that does not yield enough usable power from the ambient environment. When we look deeper into a variety of applications and investigate what power requirements really are, at a fundamental level, there is a surprising amount of opportunities for utilization of energy harvesting techniques.
Brian Zahnstecher, Principal, PowerRox
Lithium Ion Battery Packs: Exposing Safety Risks Via Testing on a Budget
Lithium ion batteries are pervasive in every aspect of life. Although the technology has matured, it still involves significant safety concerns. Many industries have a strong culture of compliance and testing to mitigate such concerns, however, others do not. The latter sometimes deprioritize testing noting high costs & schedule delays. This can lead to a higher rate of safety incidents. The premise of this presentation is that mandatory lithium battery transportation testing covers many safety concerns. Past this, there are many low-cost, short-duration test options that can be employed to further complete the risk profile and lessen the chance of personal injury, property damage, recalls, and negative brand impact.
John Copeland, VP/COO, Energy Assurance LLC
Incomplete Standards Lead to Confusion on Safety
UL, NFPA, IEC, and UN certifications are often pointed to by manufacturers as evidence that their lithium-ion battery design is safe. That sentiment is mostly accurate as those certifications require rigorous testing. However, for a variety of reasons, standards for battery safety leave a few significant loopholes. The loopholes can potentially allow companies to pass the certification tests, but not meet the level of safety that customers need, thus threatening the customers and the whole industry. This presentation will discuss some of those loopholes (e.g. UL 1973 37.3 and UN 38.3 T5), industry challenges caused by the loopholes, and potential practical remedies.
Greg Albright, Vice President of Business Development, AllCell
Are We Ready to Manufacture the Future Battery
One of the biggest issues facing the battery industry is the pace of innovation in manufacturing processes. Despite the investments in finding the “ideal” chemistry and pack configuration over the past 10 years, success in reducing costs and improving quality have not come from dramatic breakthroughs in chemistry but from improvements in manufacturing both at the cell and pack levels. The importance of manufacturing continues to shape how advanced and innovative technologies are able to penetrate and reach the market. Join Monika as she explores the criteria for building the future battery.
Monika Minarcin, Automotive Market Manager, Americas, Omron Automation Americas
Perpetual Energy Source for Autonomous Sensing Devices
Ilika has applied its heritage of patented materials discovery to develop solid state batteries which, when combined with energy harvesters, provide perpetual energy to autonomous sensing devices for the Internet of Things for example small-size implantable medical devices or temperature-resistant devices for industrial applications. This combination provides significant cost of ownership advantages compared to legacy technologies by eliminating cabling and the need to replace batteries. The high energy density of solid state batteries provides small footprint “fit and leave for life” solutions for IoT products.
Graeme Purdy, CEO, Ilika Technologies
Building a Custom Battery Charger Tool Kit
In recent years we have all heard about the multitude of new battery chemistries being introduced. Unfortunately, a primary gating item to acceptance of these new chemistries is the availability of chargers. When we couple this with the equally diverse selection of fast charger algorithms being introduced, we end up with a wealth of new technology and no easy way to use it. Microchip has stepped up to this challenge and is developing a Battery Charger tool kit that allows designers to create a custom charger/balancer function using off-the-shelf microcontrollers. This will put both new chemistries and new algorithms within reach of developers. This presentation will discuss the tools in the kit as well as how they can be used to create a wide variety of chargers and balancers.
Keith Curtis, Technical Staff Engineer, Microchip Technology, Inc.
BIS IS 16046 – Successfully Negotiating the BIS Registration Process
From June 2016, BIS required batteries to be registered. IS 16046, which is based on IEC 62133. While meeting the technical requirements of the standard has not been a challenge, working with the testing laboratories and BIS had not come so easily. Constantly changing requirements and administrative roadblocks have burdened many manufacturers. This presentation will provide guidance on sample submission through customs, responding to the testing laboratories demands and finally overcoming the last hurdle. Submitting to BIS and successfully registering your battery.
Jody Leber, Global Battery and Accumulator Technical Manager, SGS North America, Inc.
Next Generation of Voltage Based Battery Fuel Gauges
Improved battery run time and accurate notification of remaining capacity have rendered fuel gauges an integral part of the battery management system of every battery powered personal electronic device. Extremely accurate fuel gauges require the presence of a sense resistor for current sensing as well as programming with the correct battery parameters such as its low frequency impedance and chemical capacity. However it may not be a cost effective solution for low power applications such as wearable gadgets to design in a gauge with a sense resistor. In addition, device manufacturers prefer a simple and easy to use plug and play fuel gauge with minimum to zero configuration. This presentation focusses on the next generation of voltage based battery fuel gauges with no configuration. The gauge is built on the backdrop of an impedance based battery model and uses it to estimate the current rate. The gauge is capable of adapting itself to the true battery impedance and predicts remaining capacity with appreciable accuracy compared to the gauges that have been heavily configured.
Githin Prasad, Battery Algorithm Developer, Texas Instruments
Battery Take Back and Recycling Obligations
As the number of global environmental legislations covering electronic and electrical products, batteries and packaging increases annually, it is becoming more and more challenging for companies to maintain compliance for product/battery sales in markets around the world. The presentation will focus on battery take back and recycling legislations and will highlight which parts of the world have already implemented / are in the process of implementing recycling regulations for batteries. In addition, the presentation will provide examples for different approaches for example the batteries covered under the legislation, the definition of the obligated party (producer) in different regions (jurisdictions).
Ofira Varga, Senior Consultant, 1WEEE Services Corp.
Printed and Bio-Sourced Lithium Ion Batteries for Wearable Technologies
From the wearable technology market exists an uncovered demand for batteries with customized designs, mechanical flexibility and high safety. We propose to answer this demand with an upscalable screen printing process for the fabrication batteries in highly customized designs. The flexibility of the battery is improved with respect to the state-of-the-art by printing of the active layers onto the separator and by the replacement of toxic components in the ink formulation with bio-sourced and organic free components the environmental impact is significantly improved. Such manufactured electrodes exhibit specific capacities which are in-line with the nominal capacities of the active materials. Based on these new materials and the novel manufacturing process, full batteries meeting the requirements of the emerging wearable market are currently under development.
Oussama El Baradai, Ph.D., Swiss Center for Electronics and Microtechnology (CSEM)
Engineering Materials for the Next Generation Energy Storage
The bulk materials designed for today’s leading lithium-ion batteries suffer from degradation that results in poor performance and short lifetime. By applying a patented high-throughput atomic layer deposition process current bulk materials can upgraded to perform beyond industry established performance metrics. The benefits of ALD have been widely demonstrated over the past few decades, however the technology has been considered dead among industry due to its lack of scale and prohibitive costs.
Dr. James Trevey, VP Engineering, Forge Nano
Bi-Directional and High Efficiency Buck Boost Battery Charging Solution for USB-C and USB-PD
USB Type-C port and USB Power Delivery (USB-PD) become more and more familiar to our daily life. The power from USB-C port ranges from 2.5W (5V/0.5A) to 100W (20V/5A). The buck boost charger provides flexible USB-C charging solution for ultra-book, portable speaker, power bank, gateway backup and other mobile devices. In this presentation, the bi-directional buck boost charger architecture is presented along with its features and compatibility with USB-C and USB-PD standards. The single-chip battery charger replaces traditional two-chip solutions for higher efficiency, lower customer bill of materials (BOM) battery charging design. The charger also provides ADC conversion and charger status report for convenient system design.
Jing Ye, System and Application Manager, Texas Instruments
Opportunities for Wireless Power in Next-Generation Devices
There are a number of potential applications for Highly Resonant Wireless Power Transfer (HRWPT) within the medical and industrial device community. WiTricity has developed systems capable of transferring power ranging from milliwatts to kilowatts, developing systems for applications ranging from recharging mobile devices to electric vehicles. These systems are able to transfer power safely and efficiently over several inches and even through a number of materials. This session will discuss both on the technology and principles of wireless power transfer as well as examples of the technology in use to solve pressing reliability, safety, and design issues.
Colin McCarthy, Sr. Manager, Business Development, WiTricity Corp.
Degradation Mechanisms in Pristine Li-Ion Batteries During Cell Storage
Rechargeable Lithium ion batteries (LIB) have become the technology of choice for today’s energy storage needs. However, the development of LIB has been accompanied by technological failures, ranging from premature end of life to more concerning safety hazards such as explosions. In order to predict the behavior of new technologies prior their commercialization, it is necessary to study the degradation mechanisms occurring in a specific system via aging of the cells. In this talk, we will discuss the effect of cell storage prior cycling which can lead to degradation of the pristine cell and participate in its failure.
Dr. Lucienne Buannic, Post-Doctoral Researcher, CIC Energigune
Five Good Practices to Minimize Your Lithium Ion Battery Failure Risks
High reliability, energy density and light weight have made Lithium-Ion batteries the preferred choice for battery operated consumer products. The technology is ever evolving using new materials, higher energy density, with normal operating voltages increasing pushing the electrochemistry to its limits. The effort in maintaining a low risk battery system and good quality are always challenging. This presentation will discuss five practices that can help to minimize the risk of a safety performance lapse in your Lithium-ion powered product battery systems.
Jan Swart, Ph.D, Principal - Technology Development, Exponent
Enhancing Battery Safety, Capacity/Energy Density: A Novel Method for Battery Cell Assembly
This presentation will discuss a novel method for manufacturing energy storage devices referred to as the Polymer Matrix Electrolyte (PME) approach, which enhances device safety and increases energy storage capability. The PME formulation combines the three battery components that make up the separator and electrolyte (polymer, salt, and solvent) and integrates them into a single phase in which the polymer forms the backbone of the matrix. In this formulation, combinations of the three components are explored and the region of the “single phase” solid solution with the highest ionic transference number is determined. This technology is currently being used to manufacture/commercialize ultra-thin and flexible primary batteries with cost effective manufacturing at scale for markets including, but not limited to, IoT (wearables, sensors. interactive media, etc.), medical and payment transaction cards, and being transitioned to the development of rechargeable battery products. While the immediate focus is in the ultra-thin, flexible battery space, the method can also be applied towards manufacturing of batteries for communications and computing applications as well. And further, the method lends itself well with the use of conventional battery manufacturing processing methods and equipment including the ability to use printing technology for components.
Dr. Anaba Anani, VP Battery Research & Development, BrightVolt
Growth in the Middle Class: Li-ion Battery Applications of Moderate Size and Power
Li-ion battery technology first enabled the lap-top market and soon thereafter, small, simple consumer electronics products. There is widespread speculation that electric vehicles, with their large format batteries, will be the wave of the future, but meanwhile, “medium format” battery applications are converting to Li-ion at a rapid pace. These multi-cell batteries power everything from forklifts to e-bikes to back-up data storage and have medium current delivery and capacity in common. Inventus Power will provide an overview of the medium format market, including material handling equipment, battery back-up units, lawn and garden equipment, industrial cleaners, medical equipment, wheelchairs and other motive applications. Many of these applications are currently using sealed lead acid (SLA) technology and will benefit from the weight, cycle life and maintenance improvements that Li-ion offers. Conversion to Li-ion and what is required for a drop-in SLA replacement will be discussed as well as review of design considerations for medium format Li-ion batteries including new mid-range cell offerings and cell balancing.
Robin Schneider, Ph.D., Technical Marketing Director, Inventus Power
Claims & Litigation Involving Lithium-Ion Batteries
Battery manufacturers and the manufacturers of the host products that contain batteries typically know their product better than anyone else. After all, they have designed, tested, and manufactured the product. However, they may know very little about how their product would respond in a structure fire. Many times, manufacturers of battery powered products are one of the parties included in a fire investigation whether their product actually caused the fire or not. Representatives for the battery manufacturer may not have the technical expertise to determine whether or not their battery caused the fire or was simply a victim of the fire. Representatives for the battery manufacturer also may not have the legal expertise in defending themselves against allegations that their product caused the fire. They may also not know how to protect their interests when placed on notice of a product liability claim, such as handling government compliance. However, no amount of design, testing, or manufacturing process can prevent attorneys, insurance personnel, fire investigators, or engineers from pointing the finger at a battery as the cause of a fire, even if the battery had no involvement. Evidentiary remains of a battery pack or cells are far different post fire, many times to the point a manufacturer that has not seen their own batteries in this condition may not be able to readily identify their battery. This presentation will provide the audience with an understanding of fire investigation processes, standards, and testing with regards to batteries as well as analysis on the legal impact of fire losses that involve batteries.
Jonathan Jordan, Senior Consultant, Engineering Systems, Inc.
Gregg Tatarka, Partner, Wilson Elser
Samsung Galaxy Note 7 Battery Safety Event: What Can we Learn
In August 2016, Samsung released a new smart phone, the Galaxy Note 7. Very quickly we heard about fires starting while the phone was charging. What the regulators and Samsung did from that moments and what was the root cause for the problem? Why did the Samsung battery and the device validation process miss the problem? Attend this session and discover what we can learn from that case and what we should do better.
Shmuel De-Leon, CEO, Shmuel De-Leon Energy, Ltd.