Page 20 - PEN eBook October 2022
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TEST & MEASUREMENT                                                                                                                                                                              Test & Measurement



                                                                                                                                   the most to the vehicle’s expense, as well as a large proportion of its weight. Any innovations
                                                                                                                                   that can increase capacity, reduce size, or lower the cost of the battery are going to prove highly
                                                                                                                                   advantageous to the vehicle manufacturer, providing them with the prospect to add to their market

                                                                                                                                   share. Consequently, new chemistry iterations and cell arrangements are being experimented with
                                                                                                                                   on a constant basis.


                                                                                                                                   EV  manufacturers,  supported  by  their  battery  suppliers  and  system  integration  partners,  must
                                                                                                                                   find ways through which they can outmaneuver their rivals. They need to develop energy storage
                                                                                                                                   solutions that will lengthen the distance that their EVs can travel between recharges so that car
                                                                                                                                   buyers are not troubled by range anxiety concerns. They also must explore design methodologies
                                                                                                                                   that will keep vehicles’ part costs down as much as possible, thereby making their models more
                                                                                                                                   attractive to car buyers and securing greater commercial uptake.



                                                                                                                                   Increased cell densities mean more charge can be carried, and this will lead to longer vehicle
                                                                                                                                   range. Likewise, support for faster charging will reduce the time spent at charging stations, thereby
                                                                                                                                   providing users  with greater convenience. In addition,  the development of batteries  that have
            The Increasing                                                                                                         prolonged working lifespans will mean that replacement costs can be avoided for longer, thus
                                                                                                                                   lowering the total cost of ownership.

            Importance of EV                                                                                                       BATTERY SUPPLIER OBJECTIVES


                                                                                                                                   Given how pivotal battery design and development are to the success of an EV model, battery
            Battery Testing and                                                                                                    suppliers are being placed under acute pressure. If they are to satisfy the expectations of the car

                                                                                                                                   manufacturers they are engaged with, suppliers must:
            the Need for a More                                                                                                      ▶   Increase productivity and scale up their manufacturing capacity to meet rapidly growing
                                                                                                                                       consumer interest in EVs.
                                                                                                                                     ▶
                                                                                                                                        Comply with different regional regulations plus manufacturers’ own standards with regard
            Holistic, Platform-Based                                                                                                 ▶   Experiment with new battery design concepts and chemistries to bring greater
                                                                                                                                       to safety.

            Approach                                                                                                                 ▶   Shorten their development times wherever possible to ensure that windows of
                                                                                                                                       differentiation to the EV models in which they are used.


                                                                                                                                       opportunity are not missed.
            By Arturo Vargas, chief solutions marketing manager at National Instruments (NI)                                         ▶   Maximize the efficiency of their test operations through implementing automated
                                                                                                                                       workflows.
            Whichever analyst firms’ data you refer to, all agree that the global market for electric-vehicle                        ▶   Be agile enough to respond to changes in test procedures and requirements.
            batteries will experience a compound annual growth rate of between 25% and 30% throughout

            the rest of this decade. A report published by Market Research Future predicts that it will have an
            annual worth of over $190 billion by 2030.                                                                             KEY ELEMENTS IN BATTERY TESTING
                                                                                                                                   To  develop  and  produce  next-generation  EV  batteries,  suppliers  need  access to  highly  detailed
            The battery is the most crucial component in an EV design, as it makes all the difference in terms                     datasets that will enable more in-depth analysis. This will allow them to determine the presence
            of the range that can be traveled between recharges and overall performance. It also contributes                       of any cell imbalances, as well as identify any potential safety threats (in relation to short-circuits,




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